14 Best Waterproof Outdoor Storage Boxes in 2026

Waterproof outdoor storage boxes are essential for protecting your garden tools, cushions, and outdoor gear from the elements. The best models combine weather resistance, security, and ease of use, but they often involve tradeoffs like size versus portability or affordability versus durability. The Lifetime 60012 Extra Large Deck Box stands out for its huge capacity and weatherproof design, while the Keter Westwood 150 Gal offers a sleek look with solid protection. More affordable options may lack the longevity or security features of premium models, making it important to weigh what matters most for your needs. Continue reading for a detailed comparison that will help you choose the right waterproof outdoor storage box for your space.

14
compared
9
brands
4
colors
320 gallons
max capacity
Which waterproof outdoor storage boxe should you buy?
★ Top Pick
50 Gallon Outdoor Storage Box
Best Overall for Versatile Outdoor Storage
Large 50-gallon capacity suitable for multiple items
See on Amazon →
Families or outdoor enthusiasts needing large, versatile storage that also functions as seating
Outdoor Storage Box 150 Gal Wa
Massive 150-gallon capacity for extensive outdoor storage
View on Amazon →
Small-space users needing secure storage with dual seating function
Devoko 30 Gallon Resin Deck Bo
Durable, weather-resistant resin construction
View on Amazon →
Outdoor spaces needing a larger, secure storage bin that can double as seating or a table
Greesum Outdoor Storage Box 82
Large 82-gallon capacity for extensive storage
View on Amazon →
Outdoor spaces needing a secure storage bench with ample capacity for tools and cushions
DRATO 55 Gallon Waterproof Out
Spacious 55-gallon capacity
View on Amazon →
Capacity — compared
50 Gallon Outdoor Storage Box 50 gallons
Outdoor Storage Box 150 Gal Wa150 gallons
Devoko 30 Gallon Resin Deck Bo30 gallons
Greesum Outdoor Storage Box 8282 gallons
DRATO 55 Gallon Waterproof Out55 gallons
35 Gallon Outdoor Deck Box35 gallons
TARKARI 320 Gallon Lockable Re320 gallons
Devoko 100 Gallon Waterproof R100 gallons
Greesum Outdoor Storage Box 3131 gallons
Keter Westwood 150 Gal Outdoor150 gallons
Devoko 120 Gallon Resin Outdoo120 gallons
Keter City 30 Gallon Resin Out30 gallons
Keter Marvel 71-Gallon Outdoor71 gallons
Pros & cons at a glance
50 Gallon Outdoor Storage Box
✓ Large 50-gallon capacity suitable for multiple items
✗ Lock not included, needs separate purchase
Outdoor Storage Box 150 Gal Wa
✓ Massive 150-gallon capacity for extensive outdoor storage
✗ Plastic construction may feel less sturdy than wood or metal
Devoko 30 Gallon Resin Deck Bo
✓ Durable, weather-resistant resin construction
✗ Limited internal height restricts larger items
Greesum Outdoor Storage Box 82
✓ Large 82-gallon capacity for extensive storage
✗ Assembly may require some effort and time
DRATO 55 Gallon Waterproof Out
✓ Spacious 55-gallon capacity
✗ Assembly may require some time and effort
35 Gallon Outdoor Deck Box
✓ Waterproof and UV-resistant for outdoor durability
✗ Lock not included, reducing security options
TARKARI 320 Gallon Lockable Re
✓ Enormous 320-gallon capacity for comprehensive outdoor storage
✗ Heavy weight complicates shifting
Devoko 100 Gallon Waterproof R
✓ Large 100-gallon capacity suitable for a variety of outdoor items
✗ Heavy for one person to move
Greesum Outdoor Storage Box 31
✓ Compact size fits small outdoor spaces
✗ Padlock not included, limiting security options
Keter Westwood 150 Gal Outdoor
✓ Large 150-gallon capacity for outdoor needs
✗ Resin may fade over time
Devoko 120 Gallon Resin Outdoo
✓ Generous 120-gallon capacity for extensive outdoor storage
✗ Heavy to move when filled, complicating repositioning
Keter City 30 Gallon Resin Out
✓ Weather-resistant, durable resin construction
✗ Limited storage capacity for larger or bulkier items
Keter Marvel 71-Gallon Outdoor
✓ Weatherproof and durable resin with attractive wood-look texture
✗ Limited capacity for larger outdoor items
Lifetime 60012 Extra Large Dec
✓ Large 130-gallon capacity for extensive outdoor storage
✗ Heavy and bulky, challenging to move once assembled

Complete the kit

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Key Takeaways

  • Size varies significantly, so consider your storage needs versus space constraints.
  • Lockability and security features are often limited in lower-cost options but crucial for valuable items.
  • UV resistance extends lifespan, especially for boxes exposed to direct sunlight regularly.
  • Material quality impacts weatherproofing—resin and polypropylene generally perform well.
  • Higher capacity models tend to be more durable but may be less portable.
2
Outdoor Storage Box 150 Gal Wa
Best Value for Large Capacity with Multi-Functionality
1
50 Gallon Outdoor Storage Box
Best Overall for Versatile Outdoor Storage
3
Devoko 30 Gallon Resin Deck Bo
Best for Small Spaces and Extra Seating

Our Top Waterproof Outdoor Storage Boxes Picks

50 Gallon Outdoor Storage Box Waterproof Lockable Deck Box50 Gallon Outdoor Storage Box Waterproof Lockable Deck BoxBest Overall for Versatile Outdoor StorageCapacity: 50 gallonsMaterial: ResinWeather Resistance: Waterproof, UV resistantVIEW LATEST PRICESee Our Full Breakdown
Outdoor Storage Box 150 Gal Waterproof Deck Box Lockable BlackOutdoor Storage Box 150 Gal Waterproof Deck Box Lockable BlackBest Value for Large Capacity with Multi-FunctionalityCapacity: 150 gallonsDimensions: 54.25″ x 26.5″ x 24.21″Material: Aggregate resin with wood grain patternVIEW LATEST PRICESee Our Full Breakdown
Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden ToolsDevoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden ToolsBest for Small Spaces and Extra SeatingCapacity: 30 gallonsDimensions: 22 x 16 x 20 inchesMaterial: PolypropyleneVIEW LATEST PRICESee Our Full Breakdown
Greesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lockable Lid for Patio Furniture and Garden ToolsGreesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lockable Lid for Patio Furniture and Garden ToolsBest for Versatile Outdoor Use with Locking SecurityCapacity: 82 gallonsMaterial: ResinWeather Resistance: Waterproof, UV resistant, corrosion resistantVIEW LATEST PRICESee Our Full Breakdown
DRATO 55 Gallon Waterproof Outdoor Storage Box with Lockable Resin Deck Storage BenchDRATO 55 Gallon Waterproof Outdoor Storage Box with Lockable Resin Deck Storage BenchBest for Balanced Storage and Seating CapacityCapacity: 55 gallonsMaterial: ResinWeight Capacity: 300 lbsVIEW LATEST PRICESee Our Full Breakdown
35 Gallon Outdoor Deck Box, Lockable Waterproof Storage Container for Garden Tools and Cushions35 Gallon Outdoor Deck Box, Lockable Waterproof Storage Container for Garden Tools and CushionsBest Overall for Compact Outdoor StorageCapacity: 35 gallonsMaterial: ResinColor: BlackVIEW LATEST PRICESee Our Full Breakdown
TARKARI 320 Gallon Lockable Resin Deck Box, Waterproof & UV-Resistant Outdoor Storage for Garden & Pool Accessories, BlackTARKARI 320 Gallon Lockable Resin Deck Box, Waterproof & UV-Resistant Outdoor Storage for Garden & Pool Accessories, BlackBest for Large Capacity Outdoor StorageDimensions: 67.72 in. L x 32.2 in. W x 33.66 in. HCapacity: 320 gallonsMaterial: High-quality resinVIEW LATEST PRICESee Our Full Breakdown
Devoko 100 Gallon Waterproof Resin Deck Box, Large Outdoor Storage Container for Patio Furniture Cushions, Garden Tools & Pool SuppliesDevoko 100 Gallon Waterproof Resin Deck Box, Large Outdoor Storage Container for Patio Furniture Cushions, Garden Tools & Pool SuppliesBest Versatile Storage with Seating FunctionMaterial: ResinCapacity: 100 gallonsDimensions: 48″L x 22″W x 24.5″HVIEW LATEST PRICESee Our Full Breakdown
Greesum Outdoor Storage Box 31 Gallon with Lid for Patio Furniture, Garden Tools, Pool Supplies, Waterproof and UV Resistant, Lockable, Dark BlackGreesum Outdoor Storage Box 31 Gallon with Lid for Patio Furniture, Garden Tools, Pool Supplies, Waterproof and UV Resistant, Lockable, Dark BlackBest Compact and Multi-Functional StorageCapacity: 31 gallonsMaterial: Eco-friendly resinColor: Dark BlackVIEW LATEST PRICESee Our Full Breakdown
Keter Westwood 150 Gal Outdoor Storage Box for Patio and Pool AccessoriesKeter Westwood 150 Gal Outdoor Storage Box for Patio and Pool AccessoriesBest for Stylish, Large Outdoor Storage with SeatingCapacity: 150 gallonsMaterial: ResinColor: BrownVIEW LATEST PRICESee Our Full Breakdown
Devoko 120 Gallon Resin Outdoor Storage Box Waterproof Large Storage Bench Lockable for PatioDevoko 120 Gallon Resin Outdoor Storage Box Waterproof Large Storage Bench Lockable for PatioBest Overall for Large Outdoor Storage and Dual UseCapacity: 120 gallonsMaterial: ResinDesign: Wood-like grainVIEW LATEST PRICESee Our Full Breakdown
Keter City 30 Gallon Resin Outdoor Storage Box and Patio Side Table, BrownKeter City 30 Gallon Resin Outdoor Storage Box and Patio Side Table, BrownBest for Compact, Versatile Outdoor Storage and FurnitureDimensions: 22.75 in. L x 17.3 in. W x 21.7 in. HInterior Dimensions: 22.71 in. L x 16.3 in. W x 20.3 in. HCapacity: 30 gallonsVIEW LATEST PRICESee Our Full Breakdown
Keter Marvel 71-Gallon Outdoor Storage Box for Patio and Pool Accessories, BrownKeter Marvel 71-Gallon Outdoor Storage Box for Patio and Pool Accessories, BrownBest for Multi-Functional Storage and SeatingDimensions: 45.9″ W x 17.4″ D x 22.2″ HInterior Dimensions: 44.6″ W x 15.6″ D x 20″ HCapacity: 71 gallonsVIEW LATEST PRICESee Our Full Breakdown
Lifetime 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/BrownLifetime 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/BrownBest for Large Capacity and Heavy-Duty Outdoor StorageExterior Dimensions: 5 ft. L x 2 ft. W x 2 ft. 2.5 in. HInterior Capacity: 130 gallonsMaterial: High-density polyethylene (HDPE)VIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
waterproof outdoor storage boxeMaterialCapacityFeaturesColor
50 Gallon Outdoor Storage Box Resin50 gallons
Outdoor Storage Box 150 Gal WaAggregate resin with wood grain pattern150 gallonsWaterproof, UV-resistant, lockable
Devoko 30 Gallon Resin Deck BoPolypropylene30 gallonsWaterproof, UV resistant, lockable
Greesum Outdoor Storage Box 82Resin82 gallons
DRATO 55 Gallon Waterproof OutResin55 gallonsBlack
35 Gallon Outdoor Deck BoxResin35 gallonsLockable, Waterproof, UV-resistantBlack
TARKARI 320 Gallon Lockable ReHigh-quality resin320 gallonsBlack
Devoko 100 Gallon Waterproof RResin100 gallonsUV-protected, waterproof, lockable lid, dual gas rods, bench seating
Greesum Outdoor Storage Box 31Eco-friendly resin31 gallonsWaterproof, UV resistant, lockableDark Black
Keter Westwood 150 Gal OutdoorResin150 gallonsLockable, Weatherproof, Hydraulic Pistons, Easy AssemblyBrown
Devoko 120 Gallon Resin OutdooResin120 gallonsWaterproof, lockable, hydraulic hinge, reinforced sides
Keter City 30 Gallon Resin OutWeather-resistant resin30 gallonsLockable, Weatherproof, Easy AssemblyBrown
Keter Marvel 71-Gallon OutdoorWeather-resistant resin with wood-look texture71 gallons
Lifetime 60012 Extra Large DecHigh-density polyethylene (HDPE)Desert Sand/Brown

More Details on Our Top Picks

  1. 50 Gallon Outdoor Storage Box Waterproof Lockable Deck Box

    50 Gallon Outdoor Storage Box Waterproof Lockable Deck Box

    Best Overall for Versatile Outdoor Storage

    View Latest Price

    This 50-gallon resin deck box stands out for its balance of capacity, weather resistance, and quick assembly. Compared to larger options like the Outdoor Storage Box 150 Gal Waterproof Deck Box, it offers less volume but fits more comfortably into smaller spaces, making it ideal for those who need a reliable yet manageable storage solution. Its UV-resistant resin ensures durability against sun exposure, and the lockable lid adds security. However, the absence of an internal organization system and the weight when fully loaded can be drawbacks for users needing frequent access or portability. Overall, this pick suits homeowners who want a straightforward, weatherproof storage option without sacrificing security.

    Pros:
    • Large 50-gallon capacity suitable for multiple items
    • Weatherproof and UV-resistant resin for outdoor durability
    • Quick assembly in just 16 minutes without tools
    • Lockable lid enhances security
    Cons:
    • Lock not included, needs separate purchase
    • No internal organization features

    Best for: Homeowners with moderate outdoor storage needs seeking a durable, easy-to-assemble deck box

    Not ideal for: People requiring large capacity or internal compartments for organized storage

    • Capacity:50 gallons
    • Material:Resin
    • Weather Resistance:Waterproof, UV resistant
    • Assembly Time:16 minutes
    • Weight Capacity:300 lbs
    • Lockable:Yes (lock not included)
    Our verdict
    “This is an excellent choice for users who need a reliable, weatherproof storage box that is easy to set up and secure.”
  2. Outdoor Storage Box 150 Gal Waterproof Deck Box Lockable Black

    Outdoor Storage Box 150 Gal Waterproof Deck Box Lockable Black

    Best Value for Large Capacity with Multi-Functionality

    View Latest Price

    This 150-gallon resin deck box offers an expansive storage capacity, making it a clear choice for those needing to store bulky outdoor gear or multiple cushions. Its aggregate resin with a wood grain pattern provides a more attractive appearance than the plastic options like the 50 Gallon Outdoor Storage Box. Its multi-functional design allows it to double as seating or a side table, adding versatility. The all-weather, UV-resistant construction ensures durability over time. The main tradeoff is its plastic build, which may not feel as sturdy as wood or metal, and its limited color options—primarily black. It’s best suited for larger outdoor spaces where multifunctionality and high capacity are priorities.

    Pros:
    • Massive 150-gallon capacity for extensive outdoor storage
    • Weatherproof and UV-resistant for durability
    • Multi-purpose as seating or a side table
    • Easy snap-on assembly without tools
    Cons:
    • Plastic construction may feel less sturdy than wood or metal
    • Limited color options (black only)

    Best for: Families or outdoor enthusiasts needing large, versatile storage that also functions as seating

    Not ideal for: Users seeking a more premium or wooden aesthetic or more color choices

    • Capacity:150 gallons
    • Dimensions:54.25″ x 26.5″ x 24.21″
    • Material:Aggregate resin with wood grain pattern
    • Features:Waterproof, UV-resistant, lockable
    Our verdict
    “Ideal for those who prioritize a large, multi-use outdoor storage solution with minimal upkeep.”
  3. Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden Tools

    Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden Tools

    Best for Small Spaces and Extra Seating

    View Latest Price

    This 30-gallon resin deck box is tailored for those with limited outdoor space who still need secure storage. Its compact size makes it easier to place in tight spots compared to larger options like the Greesum Outdoor Storage Box 82 Gallon. Constructed from durable, waterproof, UV-resistant high-density resin, it offers reliable protection. Its ability to support up to 220 pounds as extra seating adds a functional twist, ideal for smaller patios or poolside areas. The basic design might not appeal to those seeking aesthetic variety or internal compartments, but its straightforward assembly and lockable feature provide peace of mind. This model is best for users who want a practical, space-efficient storage solution that doubles as seating.

    Pros:
    • Durable, weather-resistant resin construction
    • Supports up to 220 pounds as extra seating
    • Easy to assemble with clear instructions
    • Lockable for added security
    Cons:
    • Limited internal height restricts larger items
    • Basic appearance may not match all outdoor decor

    Best for: Small-space users needing secure storage with dual seating function

    Not ideal for: Those with large storage needs or aesthetic preferences for decorative outdoor furniture

    • Capacity:30 gallons
    • Dimensions:22 x 16 x 20 inches
    • Material:Polypropylene
    • Maximum Load Capacity:220 pounds
    • Features:Waterproof, UV resistant, lockable
    Our verdict
    “Best suited for small patios or pool areas where space-saving, secure storage with seating capability is desired.”
  4. Greesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lockable Lid for Patio Furniture and Garden Tools

    Greesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lockable Lid for Patio Furniture and Garden Tools

    Best for Versatile Outdoor Use with Locking Security

    View Latest Price

    Compared with smaller boxes like the Devoko 30 Gallon, this 82-gallon Greesum storage bin offers a substantial capacity suitable for larger cushions, tools, or pool supplies. Its weatherproof resin and hydraulic brackets increase safety and ease of use, while the lockable lid enhances security. Its versatility as a seat or table adds convenience for outdoor gatherings. The main tradeoff is assembly complexity, which may take some time, and the limited color options (primarily black). This pick makes the most sense for users who want a sizable, secure storage solution that also doubles as functional outdoor furniture, especially when space allows for larger units.

    Pros:
    • Large 82-gallon capacity for extensive storage
    • Weatherproof and UV-resistant resin
    • Hydraulic brackets for safe opening
    • Multi-purpose as seat or table
    Cons:
    • Assembly may require some effort and time
    • Color options are limited

    Best for: Outdoor spaces needing a larger, secure storage bin that can double as seating or a table

    Not ideal for: Individuals with limited space or those preferring aesthetic options beyond black

    • Capacity:82 gallons
    • Material:Resin
    • Weather Resistance:Waterproof, UV resistant, corrosion resistant
    • Weight Capacity:Up to 2 adults
    • Assembly:Easy with included tools
    Our verdict
    “Excellent for users who need a sizable, secure outdoor storage that also functions as versatile furniture.”
  5. DRATO 55 Gallon Waterproof Outdoor Storage Box with Lockable Resin Deck Storage Bench

    DRATO 55 Gallon Waterproof Outdoor Storage Box with Lockable Resin Deck Storage Bench

    Best for Balanced Storage and Seating Capacity

    View Latest Price

    Compared to the smaller Devoko 30 Gallon, the DRATO 55-gallon model strikes a strong balance between capacity and functionality. Its weatherproof resin construction ensures durability, while the lockable lid keeps belongings secure. Supporting up to 300 pounds, it doubles as a sturdy bench, making it a strategic choice for patios where both seating and storage are needed. The main tradeoffs include a somewhat involved assembly process and a limited color palette (only black). This pick makes sense for users who want a mid-sized, secure storage solution that also provides reliable outdoor seating support for heavier weights.

    Pros:
    • Spacious 55-gallon capacity
    • Weatherproof resin for durability
    • Supports up to 300 pounds as a seat
    • Lockable lid enhances security
    Cons:
    • Assembly may require some time and effort
    • Limited color options (black only)

    Best for: Outdoor spaces needing a secure storage bench with ample capacity for tools and cushions

    Not ideal for: Those preferring decorative or multi-color options or minimal assembly effort

    • Capacity:55 gallons
    • Material:Resin
    • Weight Capacity:300 lbs
    • Color:Black
    • Weatherproof:Yes
    • Lockable:Yes
    Our verdict
    “Perfect for users who want a durable, lockable storage bench with generous capacity and seating support.”
  6. 35 Gallon Outdoor Deck Box, Lockable Waterproof Storage Container for Garden Tools and Cushions

    35 Gallon Outdoor Deck Box, Lockable Waterproof Storage Container for Garden Tools and Cushions

    Best Overall for Compact Outdoor Storage

    View Latest Price

    This 35-gallon resin deck box stands out for its balance of durability and ease of use. Compared with larger options like the TARKARI 320 Gallon Deck Box, it offers a more manageable size for smaller patios or balconies. Its waterproof and UV-resistant construction ensures protection against the elements, while the lockable lid enhances security. The tool-free assembly and sturdy handles make it convenient for frequent repositioning, but the capacity might be limiting for those with larger outdoor storage needs. The lock isn’t included, which could be a drawback for security-focused buyers. This pick suits users seeking reliable outdoor storage without overwhelming space or weight.

    Pros:
    • Waterproof and UV-resistant for outdoor durability
    • Lockable design adds security
    • Easy to assemble without tools
    • Sturdy handles for portability
    Cons:
    • Lock not included, reducing security options
    • Capacity may be insufficient for larger items or multiple users

    Best for: Small families or individuals needing secure, weatherproof storage for garden tools and cushions in limited outdoor space

    Not ideal for: Homeowners with large outdoor equipment or pool accessories requiring more capacity

    • Capacity:35 gallons
    • Material:Resin
    • Color:Black
    • Features:Lockable, Waterproof, UV-resistant
    • Impact-resistant corners:Yes
    • Reinforced panels:Yes
    Our verdict
    “This deck box is a smart choice for those who want reliable, compact outdoor storage with simple setup and security features.”
  7. TARKARI 320 Gallon Lockable Resin Deck Box, Waterproof & UV-Resistant Outdoor Storage for Garden & Pool Accessories, Black

    TARKARI 320 Gallon Lockable Resin Deck Box, Waterproof & UV-Resistant Outdoor Storage for Garden & Pool Accessories, Black

    Best for Large Capacity Outdoor Storage

    View Latest Price

    The TARKARI 320 Gallon Deck Box offers exceptional space, ideal for homeowners needing to store pool toys, cushions, and garden tools in one secure container. Its waterproof and UV-resistant resin ensures longevity, similar to the Keter Westwood 150 Gal, but with nearly double the capacity. The lockable lid provides added security, though the heavy weight (over 68 pounds) makes relocation cumbersome without assistance. Its rectangular shape fits well into larger outdoor areas but limits versatility for smaller or irregular spaces. Best suited for those who prioritize storage volume and durability over maneuverability.

    Pros:
    • Enormous 320-gallon capacity for comprehensive outdoor storage
    • Waterproof and UV-resistant materials extend lifespan outdoors
    • Lockable lid enhances security
    • Can serve as a patio seat or footstool
    Cons:
    • Heavy weight complicates shifting
    • No mention of locking mechanism included
    • Limited shape options restrict placement flexibility

    Best for: Large families or outdoor enthusiasts with extensive equipment who need a secure, high-capacity storage solution

    Not ideal for: Users with limited space or those who prefer lightweight, portable storage options

    • Dimensions:67.72 in. L x 32.2 in. W x 33.66 in. H
    • Capacity:320 gallons
    • Material:High-quality resin
    • Weight:68.3 pounds
    • Maximum Weight Capacity:1000 pounds
    • Color:Black
    Our verdict
    “This model is best for users needing a large, durable, lockable outdoor storage unit with multifunctional use.”
  8. Devoko 100 Gallon Waterproof Resin Deck Box, Large Outdoor Storage Container for Patio Furniture Cushions, Garden Tools & Pool Supplies

    Devoko 100 Gallon Waterproof Resin Deck Box, Large Outdoor Storage Container for Patio Furniture Cushions, Garden Tools & Pool Supplies

    Best Versatile Storage with Seating Function

    View Latest Price

    The Devoko 100 Gallon Deck Box balances size and versatility, making it ideal for those who want outdoor storage plus a seating option. While smaller than the TARKARI 320 Gallon, its dual gas rods allow effortless lid opening, and the capacity suits most patio needs. Its weather-resistant resin material rivals more expensive options, but its weight (55 pounds) can be a challenge to move without help. The lockable lid provides security, though a padlock isn’t included. Compared with larger models, this unit offers a more manageable footprint but may fall short for very extensive storage needs. This is perfect for homeowners who prioritize multifunctionality and ease of access.

    Pros:
    • Large 100-gallon capacity suitable for a variety of outdoor items
    • Weather-resistant resin for durability
    • Can double as a bench supporting up to 500 lbs
    • Easy to open with dual gas rods
    Cons:
    • Heavy for one person to move
    • Lock not included, reducing security flexibility
    • Limited aesthetic options

    Best for: Small to medium outdoor spaces needing storage plus seating, such as patios or decks

    Not ideal for: People with large outdoor equipment collections or needing heavy-duty security

    • Material:Resin
    • Capacity:100 gallons
    • Dimensions:48″L x 22″W x 24.5″H
    • Weight:55 pounds
    • Features:UV-protected, waterproof, lockable lid, dual gas rods, bench seating
    Our verdict
    “This deck box is a solid choice for those wanting outdoor storage with added seating and convenient lid operation.”
  9. Greesum Outdoor Storage Box 31 Gallon with Lid for Patio Furniture, Garden Tools, Pool Supplies, Waterproof and UV Resistant, Lockable, Dark Black

    Greesum Outdoor Storage Box 31 Gallon with Lid for Patio Furniture, Garden Tools, Pool Supplies, Waterproof and UV Resistant, Lockable, Dark Black

    Best Compact and Multi-Functional Storage

    View Latest Price

    The Greesum 31 Gallon Storage Box offers a smaller, eco-friendly solution for outdoor organization. Its waterproof and UV-resistant resin makes it suitable for various weather conditions, similar to the larger Devoko 100 Gallon but in a more compact form. Its lockable lid enhances security, though the padlock isn’t included, which could be a drawback for some buyers. The product’s multi-functionality allows it to serve as a seat or side table, adding versatility. Assembly might require some effort, but it’s generally straightforward. This unit is ideal for tight spaces or light storage needs, but less suited for bulky equipment or high-security requirements. Best for users who want a small, multi-use outdoor storage solution with security features.

    Pros:
    • Compact size fits small outdoor spaces
    • Waterproof and UV resistant for durability
    • Can serve as a seat or side table
    • Lockable lid for added security
    Cons:
    • Padlock not included, limiting security options
    • Assembly may take some effort
    • Limited capacity for larger items

    Best for: Urban residents or small households needing compact, multi-purpose outdoor storage

    Not ideal for: Those with large or bulky outdoor equipment or requiring a lockable container with included lock

    • Capacity:31 gallons
    • Material:Eco-friendly resin
    • Color:Dark Black
    • Features:Waterproof, UV resistant, lockable
    Our verdict
    “This smaller, multi-functional storage box is ideal for tight spaces and light outdoor storage needs with a security touch.”
  10. Keter Westwood 150 Gal Outdoor Storage Box for Patio and Pool Accessories

    Keter Westwood 150 Gal Outdoor Storage Box for Patio and Pool Accessories

    Best for Stylish, Large Outdoor Storage with Seating

    View Latest Price

    The Keter Westwood 150 Gal combines ample storage with a wood-like appearance, making it a popular choice for aesthetic appeal and functionality. Its 150-gallon capacity surpasses many similar boxes like the Greesum 31 Gallon, providing enough room for cushions, pool floats, and outdoor gear. The resin construction is weather-resistant, with hydraulic pistons making lid operation smooth and effortless. However, its resin may fade over time, and the unit’s weight when filled could be a concern. Its appearance suits those who want a stylish addition to their patio, but it’s primarily designed for outdoor use, limiting indoor versatility. This storage solution is perfect for aesthetics-conscious users needing extra capacity and seating.

    Pros:
    • Large 150-gallon capacity for outdoor needs
    • Weather-resistant resin with a wood-like finish
    • Hydraulic pistons enable easy lid operation
    • Can double as seating for two adults
    Cons:
    • Resin may fade over time
    • Heavy when filled with items
    • Limited to outdoor environments

    Best for: Homeowners seeking a large, stylish, and secure outdoor storage solution with seating capability

    Not ideal for: Individuals with limited outdoor space or those seeking lightweight, portable storage

    • Capacity:150 gallons
    • Material:Resin
    • Color:Brown
    • Features:Lockable, Weatherproof, Hydraulic Pistons, Easy Assembly
    Our verdict
    “This stylish, large-capacity storage box is ideal for those wanting a blend of aesthetics and outdoor storage capacity.”
  11. Devoko 120 Gallon Resin Outdoor Storage Box Waterproof Large Storage Bench Lockable for Patio

    Devoko 120 Gallon Resin Outdoor Storage Box Waterproof Large Storage Bench Lockable for Patio

    Best Overall for Large Outdoor Storage and Dual Use

    View Latest Price

    This Devoko model stands out for its impressive 120-gallon capacity, making it ideal for those who need substantial storage for outdoor tools, cushions, or garden supplies. Its resin build mimics wood grain, providing a decorative touch while resisting water damage better than many traditional wooden boxes. Compared to the Lifetime 60012 deck box, it offers a comparable capacity but with a more integrated storage bench function, blending practicality and style. The hydraulic hinges and reinforced sides ensure durability and ease of use, but it can be quite heavy when filled, posing challenges for relocation. Limited color options might also restrict aesthetic coordination with certain outdoor decor. This pick makes the most sense for homeowners seeking large, lockable storage that doubles as outdoor seating without sacrificing style.

    Pros:
    • Generous 120-gallon capacity for extensive outdoor storage
    • Water-resistant resin with a wood-like appearance adds visual appeal
    • Dual function as a sturdy bench and storage unit
    • Hydraulic hinges and reinforced sides increase durability
    Cons:
    • Heavy to move when filled, complicating repositioning
    • Limited color options may not match all outdoor aesthetics

    Best for: Homeowners needing a large, lockable outdoor storage solution that can also serve as a bench

    Not ideal for: People with limited space or those preferring lightweight, portable options for frequent relocation

    • Capacity:120 gallons
    • Material:Resin
    • Design:Wood-like grain
    • Features:Waterproof, lockable, hydraulic hinge, reinforced sides
    Our verdict
    “A highly capable and stylish storage bench best suited for large outdoor spaces where capacity and durability matter most.”
  12. Keter City 30 Gallon Resin Outdoor Storage Box and Patio Side Table, Brown

    Keter City 30 Gallon Resin Outdoor Storage Box and Patio Side Table, Brown

    Best for Compact, Versatile Outdoor Storage and Furniture

    View Latest Price

    This Keter City model is ideal for those with limited outdoor space, offering a compact 30-gallon capacity that comfortably stores pool accessories, towels, or small tools. Compared to the larger Devoko or Lifetime options, it’s less suited for bulkier items but excels as a dual-purpose piece of furniture, serving as a side table or small storage chest. Its weather-resistant resin construction ensures durability, while easy assembly means no tools are needed—perfect for renters or those who want quick setup. The resin’s appearance is more plastic-like than real wood, which might not appeal to everyone, and the lock mechanism details are minimal, possibly limiting security. Overall, this pick fits well for individuals who prioritize multifunctionality and space efficiency.

    Pros:
    • Weather-resistant, durable resin construction
    • Multifunctional as both storage and a side table
    • Easy, tool-free assembly for quick setup
    • Compact size ideal for small spaces
    Cons:
    • Limited storage capacity for larger or bulkier items
    • Resin may lack the authentic look of real wood
    • No detailed lock mechanism, potentially limiting security

    Best for: Outdoor enthusiasts with small patios seeking a stylish, space-saving storage option

    Not ideal for: Those needing large capacity or storage for heavy, bulky items

    • Dimensions:22.75 in. L x 17.3 in. W x 21.7 in. H
    • Interior Dimensions:22.71 in. L x 16.3 in. W x 20.3 in. H
    • Capacity:30 gallons
    • Material:Weather-resistant resin
    • Color:Brown
    • Features:Lockable, Weatherproof, Easy Assembly
    Our verdict
    “A versatile, space-efficient storage and furniture piece perfect for small patios or balconies.”
  13. Keter Marvel 71-Gallon Outdoor Storage Box for Patio and Pool Accessories, Brown

    Keter Marvel 71-Gallon Outdoor Storage Box for Patio and Pool Accessories, Brown

    Best for Multi-Functional Storage and Seating

    View Latest Price

    This Keter Marvel model offers a balanced 71-gallon capacity, making it suitable for storing cushions, tools, and pool accessories. Its weatherproof resin with a wood-look texture elevates the appearance compared to more basic storage boxes like the Keter City. Its standout feature is the ability to serve as both a storage container and a bench, supporting up to 485 lbs—ideal for outdoor seating during gatherings. Compared with the Lifetime 60012, it’s more compact and easier to move, but it’s less suitable for large-volume storage. While assembly is straightforward, the resin’s durability under extreme weather—such as intense sun or cold—may be a concern. This makes it a good choice for small to medium outdoor spaces where multi-functionality matters most.

    Pros:
    • Weatherproof and durable resin with attractive wood-look texture
    • Multi-functional as storage and seating with high weight capacity
    • Easy, tool-free assembly for quick setup
    • Compact yet roomy for small outdoor spaces
    Cons:
    • Limited capacity for larger outdoor items
    • Resin may crack under extreme weather conditions

    Best for: Small outdoor patios or pool areas needing versatile storage that can double as seating

    Not ideal for: Locations with extreme weather conditions or for users requiring very high capacity

    • Dimensions:45.9″ W x 17.4″ D x 22.2″ H
    • Interior Dimensions:44.6″ W x 15.6″ D x 20″ H
    • Capacity:71 gallons
    • Material:Weather-resistant resin with wood-look texture
    • Weight Capacity:485 lbs
    Our verdict
    “A practical, space-saving storage solution that doubles as outdoor seating for small or medium-sized areas.”
  14. Lifetime 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/Brown

    Lifetime 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/Brown

    Best for Large Capacity and Heavy-Duty Outdoor Storage

    View Latest Price

    The Lifetime 60012 deck box stands out for its substantial 130-gallon capacity, making it well-suited for families or communities with extensive outdoor gear and furniture. Its durable high-density polyethylene (HDPE) withstands weather, UV rays, and rough handling better than resin counterparts like the Keter Marvel. The lockable lid with a spring hinge adds security and ease of access, even after prolonged use. Compared to the Devoko 120-gallon bench, it’s heavier and bulkier, which could hinder frequent repositioning. Assembly may require some effort due to its size, but the rugged construction provides peace of mind for outdoor environments. This model is ideal for those who prioritize high capacity and durability over portability.

    Pros:
    • Large 130-gallon capacity for extensive outdoor storage
    • Durable HDPE construction resists weather and UV damage
    • Lockable lid with spring hinge for security and easy access
    • Stylish two-tone design enhances outdoor aesthetics
    Cons:
    • Heavy and bulky, challenging to move once assembled
    • Assembly may require effort due to size and weight

    Best for: Large households or outdoor spaces needing robust, high-capacity storage that stays put

    Not ideal for: Users who need lightweight, portable storage or have limited space for bulky units

    • Exterior Dimensions:5 ft. L x 2 ft. W x 2 ft. 2.5 in. H
    • Interior Capacity:130 gallons
    • Material:High-density polyethylene (HDPE)
    • Hinges:Powder-coated steel
    • Color:Desert Sand/Brown
    Our verdict
    “A heavy-duty, high-capacity deck box ideal for large outdoor storage needs where permanence and durability are priorities.”
waterproof outdoor storage boxes
What makes a great waterproof outdoor storage boxe
1
Material Quality and Weatherproofing
The durability of your storage box hinges on its material.
2
Size and Capacity
Size is a critical consideration.
3
Security Features
Many outdoor storage boxes come with lockable lids, but the strength and locking mechanisms vary.
4
Ease of Use and Maintenance
Look for features that simplify access, such as hydraulic hinges or wide openings.
How to choose your waterproof outdoor storage boxe
1
How we picked
The products were evaluated based on durability, weatherproofing, security features, ease of use, and overall value.
2
Material Quality and Weatherproofing
The durability of your storage box hinges on its material.
3
Size and Capacity
Size is a critical consideration.
4
Security Features
Many outdoor storage boxes come with lockable lids, but the strength and locking mechanisms vary.
5
Ease of Use and Maintenance
Look for features that simplify access, such as hydraulic hinges or wide openings.
Vetted waterproof outdoor storage boxes ·
The best waterproof outdoor storage boxes, compared
★ Winner 50 Gallon Outdoor Storage Box
Best Overall for Versatile Outdoor Storage
14compared
320 gallonstop capacity
4colors

How We Picked

The products were evaluated based on durability, weatherproofing, security features, ease of use, and overall value. Preference was given to models that combine high resistance to water and UV damage with sturdy construction. We also considered size options suitable for various outdoor spaces and the presence of lockable lids for added security. The ranking reflects a balance between cost and long-term performance, highlighting the best overall picks for different needs and budgets.

Factors to Consider When Choosing Waterproof Outdoor Storage Boxes

Choosing the right waterproof outdoor storage box involves considering several key factors that affect usability and longevity. Beyond just keeping water out, you’ll want to evaluate material quality, security features, size, and how well it fits your outdoor environment. Making informed choices prevents common mistakes like selecting a box that’s too small or vulnerable to UV damage, which can result in frequent replacements or compromised contents.

Material Quality and Weatherproofing

The durability of your storage box hinges on its material. Resin and polypropylene are popular choices because they resist moisture and UV rays well, preventing cracking and fading over time. Avoid cheaper plastics that may degrade quickly or metal options that can rust unless they’re properly coated. A truly weatherproof box seals tightly and has a gasket or rubber lining to prevent water ingress, which is essential for protecting your belongings in heavy rain or snow.

Size and Capacity

Size is a critical consideration. Larger models, like 150 gallons or more, provide ample space for bulky items but may be heavier and harder to move. Smaller options are more portable but might require multiple units for extensive storage. Measure your outdoor space carefully and think about the items you intend to store—overestimating can lead to clutter, while underestimating might mean inadequate protection for your gear.

Security Features

Many outdoor storage boxes come with lockable lids, but the strength and locking mechanisms vary. If security is a priority—say, for storing valuable tools or equipment—choose models with robust locks or padlock compatibility. Cheaper boxes often have flimsy lids that can be pried open, so investing in a model with reinforced hinges and lock points offers peace of mind against theft or tampering.

Ease of Use and Maintenance

Look for features that simplify access, such as hydraulic hinges or wide openings. Smooth, corrosion-resistant handles make lifting and moving easier. Maintenance involves occasional cleaning and checking seals, so select a model with accessible hinges and a removable lid if possible. Avoid overly complex designs that make regular upkeep cumbersome or repairs difficult.

Budget and Long-Term Value

While cheaper models may seem appealing initially, they often lack durability and security, leading to higher costs over time. Premium options tend to have better weatherproofing and longer lifespans, providing better value in the long run. Balance your budget with your storage needs; sometimes investing a bit more upfront results in a more reliable, maintenance-free solution that lasts for years.

Frequently Asked Questions

Can these storage boxes withstand heavy rain and snow?

Most high-quality waterproof outdoor storage boxes are designed to withstand heavy rain and snow, thanks to their sealed lids and weather-resistant materials. Resin and polypropylene models with rubber gaskets or gaskets around the lid tend to prevent water ingress effectively. However, it’s wise to check each product’s specifications and reviews for confirmation of weatherproof performance, especially in harsh climates.

Are lockable storage boxes secure enough to prevent theft?

Lockability varies among models; some have built-in locks, while others are compatible with padlocks. For high-value items, choose a box with a sturdy lock mechanism and reinforced lid hinges. Remember, no outdoor storage is completely theft-proof, but investing in a box with solid locks and robust construction significantly deters casual theft and tampering.

What’s the best size for a small patio or balcony?

For limited outdoor spaces, smaller options like the Keter City 30-Gallon or Keter Marvel 71-Gallon are ideal—they’re compact yet provide sufficient storage for cushions, small tools, or pool accessories. Prioritize models that are lightweight and easy to move, so you can adjust their position as needed. Larger boxes, while offering more capacity, might be cumbersome in tight spaces and could overpower your patio aesthetic.

How often should I perform maintenance on my outdoor storage box?

Regular maintenance involves inspecting seals and hinges at least once a season, especially after severe weather. Clean the exterior with mild soap and water to prevent dirt buildup and check for any damage or cracks. Proper upkeep prolongs the life of your box, maintains its weatherproof qualities, and ensures it continues to protect your stored items effectively.

Is it worth paying more for UV-resistant models?

Yes, UV resistance significantly extends the lifespan of outdoor storage boxes exposed to sunlight daily. Cheaper models may become brittle, crack, or fade over time, leading to replacement costs. Investing in UV-resistant options, like those made from high-quality resin, ensures your box maintains its appearance and structural integrity for years, providing better value in the long term.

Conclusion

If you need the best overall waterproof outdoor storage box, the Lifetime 60012 Extra Large Deck Box offers massive capacity and durability suitable for most needs. For those prioritizing value, the Keter Westwood 150 Gal balances affordability with solid weather resistance. Beginners or those with small spaces should consider compact options like the Keter City 30-Gallon, while premium buyers seeking longevity and security might prefer models with advanced lock features and UV resistance. Consider your storage needs, space, and budget carefully to choose the right fit for your outdoor area.

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