13 Best Waterproof Outdoor Storage Boxes in 2026
AIThis post was created with the assistance of artificial intelligence (AI).

Waterproof outdoor storage boxes are essential for protecting your garden tools, patio furniture, and cushions from the elements. The best options offer a balance of weather resistance, durability, and ease of access. The Devoko 100 Gallon Waterproof Resin Deck Box stands out for its sturdy build and ample storage, while the Keter Westwood 150-Gallon Box offers a stylish solution with generous capacity. However, tradeoffs often include size limitations, weight, or higher price tags. Continue reading to explore the top choices and find the perfect fit for your outdoor needs.

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13
compared
9
brands
350 gallons
max capacity
Which waterproof outdoor storage boxe should you buy?
★ Top Pick
174 Gallon Outdoor Storage Box
Best Overall for Large Capacity and Flexibility
Large 174-gallon capacity for ample outdoor storage
See on Amazon →
Gardeners or patio owners seeking a durable, lockable storage solution that doubles as outdoor furniture
EasyUp 180 Gallon Deck Box
Weather-resistant composite resin construction
View on Amazon →
Large families or businesses needing extensive, durable outdoor storage that also functions as furniture
EasyUp 350 Gallon Deck Box Out
Huge 350-gallon capacity for maximum storage
View on Amazon →
Homeowners seeking an attractive, moderate-capacity storage box that complements outdoor decor
Outdoor Storage Box
Weatherproof and UV protected for year-round use
View on Amazon →
Small patios, balcony users, or those needing a lightweight, portable storage seat
Devoko 30 Gallon Resin Deck Bo
Lightweight and easy to move
View on Amazon →
Capacity — compared
174 Gallon Outdoor Storage Box174 gallons
EasyUp 180 Gallon Deck Box180 gallons
EasyUp 350 Gallon Deck Box Out350 gallons
Outdoor Storage Box160 gallons
Devoko 30 Gallon Resin Deck Bo30 gallons
Devoko 100 Gallon Waterproof R100 Gallons
KAMABOKO 150 Gallon Outdoor Re150 gallons
Keter Westwood 150-Gallon Outd150 gallons
EFU Outdoor Storage Box 60 Gal60 gallons
Keter Marvel Plus 71 Gallon Re71 gallons
100 Gallon Outdoor Storage Box100 gallons
Mirador 134 Gallon Outdoor Sto134 gallons
Keter Kentwood 92 Gallon Outdo92 gallons
Pros & cons at a glance
174 Gallon Outdoor Storage Box
✓ Large 174-gallon capacity for ample outdoor storage
✗ Brackets are wear-prone and may need replacement over time
EasyUp 180 Gallon Deck Box
✓ Weather-resistant composite resin construction
✗ Large size may require ample space
EasyUp 350 Gallon Deck Box Out
✓ Huge 350-gallon capacity for maximum storage
✗ Heavy when filled, difficult to move
Outdoor Storage Box
✓ Weatherproof and UV protected for year-round use
✗ Dimensions not specified, may not fit all spaces
Devoko 30 Gallon Resin Deck Bo
✓ Lightweight and easy to move
✗ Limited internal height restricts larger items
Devoko 100 Gallon Waterproof R
✓ Large 100-gallon capacity ideal for various outdoor items
✗ Heavy to move despite side handles, which can complicate repositioning
KAMABOKO 150 Gallon Outdoor Re
✓ Abundant 150-gallon capacity for extensive outdoor storage
✗ Heavy to move once filled, complicating relocation
Keter Westwood 150-Gallon Outd
✓ Large 150-gallon capacity for versatile outdoor storage
✗ Heavy when filled, making repositioning difficult
EFU Outdoor Storage Box 60 Gal
✓ Durable, weatherproof polypropylene construction
✗ Limited 60-gallon capacity for larger storage needs
Keter Marvel Plus 71 Gallon Re
✓ Weather-resistant and durable construction
✗ Assembly may require some effort and time
100 Gallon Outdoor Storage Box
✓ Heavy-duty, weather-resistant design ensures durability in all seasons
✗ Lock not included, requiring additional purchase
Mirador 134 Gallon Outdoor Sto
✓ Large 134-gallon capacity for bulky outdoor items
✗ Heavy weight may hinder repositioning without wheels
Keter Kentwood 92 Gallon Outdo
✓ Resistant to rust, fading, and dents for low maintenance
✗ Assembly may take some time despite tool-free design

Key Takeaways

  • Size and capacity vary greatly, so choose based on the volume of items you need to store.
  • Material quality impacts weather resistance; resin and metal options differ in durability and maintenance.
  • Additional features like locks, wheels, or soft-close lids add convenience but can influence cost.
  • Higher capacity models tend to be more expensive and heavier to move or install.
  • Most premium options balance weatherproofing with stylish design, while budget picks focus on basic protection.
2
EasyUp 180 Gallon Deck Box
Best for Multi-Functional Use and Security
1
174 Gallon Outdoor Storage Box
Best Overall for Large Capacity and Flexibility
3
EasyUp 350 Gallon Deck Box Out
Best for Maximum Storage and Long-Term Durability

Our Top Waterproof Outdoor Storage Boxes Picks

174 Gallon Outdoor Storage Box Waterproof Soft Shell Deck Box for Patio Furniture and Garden Tools174 Gallon Outdoor Storage Box Waterproof Soft Shell Deck Box for Patio Furniture and Garden ToolsBest Overall for Large Capacity and FlexibilityCapacity: 174 gallonsMaterial: PVC fabric with steel frameFrame Thickness: 0.64 inches (16 mm)VIEW LATEST PRICESee Our Full Breakdown
EasyUp 180 Gallon Deck Box, Waterproof & UV Resistant, BlackEasyUp 180 Gallon Deck Box, Waterproof & UV Resistant, BlackBest for Multi-Functional Use and SecurityMaterial: Weather-resistant composite resinCapacity: 180 gallonsDimensions: 54.25″L x 26.5″W x 24.21″HVIEW LATEST PRICESee Our Full Breakdown
EasyUp 350 Gallon Deck Box Outdoor Storage Box, BlackEasyUp 350 Gallon Deck Box Outdoor Storage Box, BlackBest for Maximum Storage and Long-Term DurabilityCapacity: 350 gallonsMaterial: Weather-resistant composite resinColor: BlackVIEW LATEST PRICESee Our Full Breakdown
Outdoor Storage Box, 160 Gallon Waterproof Resin Deck Box with Support RodOutdoor Storage Box, 160 Gallon Waterproof Resin Deck Box with Support RodBest for Elegant Design and Moderate CapacityCapacity: 160 gallonsMaterial: Polypropylene resinFinish: Woven rattan textureVIEW LATEST PRICESee Our Full Breakdown
Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage for Patio Furniture and Garden ToolsDevoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage for Patio Furniture and Garden ToolsBest for Compact Storage and VersatilityCapacity: 30 gallonsDimensions: 22 x 16 x 20 inchesWeight: 8.8 poundsVIEW LATEST PRICESee Our Full Breakdown
Devoko 100 Gallon Waterproof Resin Deck BoxDevoko 100 Gallon Waterproof Resin Deck BoxBest Overall for Versatile Outdoor Storage and SeatingCapacity: 100 GallonsInner Dimensions: 47.8″L x 21.4″W x 24.6″HMaterial: Poly resinVIEW LATEST PRICESee Our Full Breakdown
KAMABOKO 150 Gallon Outdoor Resin Storage Box, Waterproof Lockable Deck Box for Garden Tools and Patio Furniture, BlackKAMABOKO 150 Gallon Outdoor Resin Storage Box, Waterproof Lockable Deck Box for Garden Tools and Patio Furniture, BlackBest for Large-Scale Outdoor Storage with SecurityCapacity: 150 gallonsDimensions: 47in x 21in x 23.9inMaterial: Weather-resistant resinVIEW LATEST PRICESee Our Full Breakdown
Keter Westwood 150-Gallon Outdoor Storage Box for Patio and Pool AccessoriesKeter Westwood 150-Gallon Outdoor Storage Box for Patio and Pool AccessoriesBest for Stylish, Low-Maintenance Outdoor Storage with SeatingCapacity: 150 gallonsMaterial: ResinAppearance: Wood-plank lookVIEW LATEST PRICESee Our Full Breakdown
EFU Outdoor Storage Box 60 Gallon Deck Box Waterproof Resin BlackEFU Outdoor Storage Box 60 Gallon Deck Box Waterproof Resin BlackBest Budget-Friendly for Small-Scale Outdoor StorageCapacity: 60 gallonsMaterial: Polypropylene resinColor: BlackVIEW LATEST PRICESee Our Full Breakdown
Keter Marvel Plus 71 Gallon Resin Deck BoxKeter Marvel Plus 71 Gallon Resin Deck BoxBest for Moderate Capacity and Outdoor SeatingCapacity: 71 gallonsExterior Dimensions: 45.9 in W x 17.4 in D x 22.2 in HInterior Dimensions: 44.6 in W x 15.6 in D x 20 in HVIEW LATEST PRICESee Our Full Breakdown
100 Gallon Outdoor Storage Box Waterproof Lockable Deck Box with Gas Lift, Black100 Gallon Outdoor Storage Box Waterproof Lockable Deck Box with Gas Lift, BlackBest Overall for Versatile Outdoor UseCapacity: 100 gallonsDimensions: 47.8″L x 21.3″W x 24.4″HMaterial: Double-wall resin with steel reinforcementVIEW LATEST PRICESee Our Full Breakdown
Mirador 134 Gallon Outdoor Storage Box with Wheels & Soft-Close Lid, Waterproof Metal Deck Box for Patio Cushions, Garden Tools & Pool Accessories, LatteMirador 134 Gallon Outdoor Storage Box with Wheels & Soft-Close Lid, Waterproof Metal Deck Box for Patio Cushions, Garden Tools & Pool Accessories, LatteBest for Large Capacity and MobilityCapacity: 134 gallonsDimensions: 51.2″L x 23.8″W x 31.1″HMaterial: Rust-proof steel and aluminumVIEW LATEST PRICESee Our Full Breakdown
Keter Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool AccessoriesKeter Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool AccessoriesBest for Compact, Easy-Access Storage with SeatingCapacity: 92 gallonsDimensions: 50.4 in. W x 21.2 in. D x 23.2 in. HMaterial: ResinVIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
waterproof outdoor storage boxeCapacityMaterialDimensions
174 Gallon Outdoor Storage Box174 gallonsPVC fabric with steel frame—
EasyUp 180 Gallon Deck Box180 gallonsWeather-resistant composite resin54.25"L x 26.5"W x 24.21"H
EasyUp 350 Gallon Deck Box Out350 gallonsWeather-resistant composite resin—
Outdoor Storage Box160 gallonsPolypropylene resin—
Devoko 30 Gallon Resin Deck Bo30 gallonsHigh-density resin22 x 16 x 20 inches
Devoko 100 Gallon Waterproof R100 GallonsPoly resin—
KAMABOKO 150 Gallon Outdoor Re150 gallonsWeather-resistant resin47in x 21in x 23.9in
Keter Westwood 150-Gallon Outd150 gallonsResinNot specified
EFU Outdoor Storage Box 60 Gal60 gallonsPolypropylene resin—
Keter Marvel Plus 71 Gallon Re71 gallonsResin—
100 Gallon Outdoor Storage Box100 gallonsDouble-wall resin with steel reinforcement47.8"L x 21.3"W x 24.4"H
Mirador 134 Gallon Outdoor Sto134 gallonsRust-proof steel and aluminum51.2"L x 23.8"W x 31.1"H
Keter Kentwood 92 Gallon Outdo92 gallonsResin50.4 in. W x 21.2 in. D x 23.2 in. H

More Details on Our Top Picks

  1. 174 Gallon Outdoor Storage Box Waterproof Soft Shell Deck Box for Patio Furniture and Garden Tools

    174 Gallon Outdoor Storage Box Waterproof Soft Shell Deck Box for Patio Furniture and Garden Tools

    Best Overall for Large Capacity and Flexibility

    View Latest Price

    This soft-shell deck box stands out for its impressive 174-gallon capacity, making it an excellent choice for those needing versatile outdoor storage. Its waterproof design, featuring a reinforced fabric and gable roof, offers significant protection against weather, surpassing traditional plastic options like the EZUp 180 Gallon Deck Box in flexibility. However, the fabric construction may be more prone to wear over time, and it lacks a lock mechanism, which limits security. Assembly is quick and tool-free, ideal for users prioritizing ease of setup. Compared to rigid resin models, this soft-shell design provides more portability and storage flexibility but sacrifices some durability and security.

    Pros:
    • Large 174-gallon capacity for ample outdoor storage
    • Highly waterproof with reinforced fabric and gable roof
    • Easy to assemble without tools
    • Flexible, soft-shell design allows for easy relocation
    Cons:
    • Brackets are wear-prone and may need replacement over time
    • No lock mechanism for security
    • Potential fabric damage if impacted heavily

    Best for: Homeowners with flexible outdoor storage needs who want large capacity and easy assembly

    Not ideal for: Security-conscious users or those needing long-term durability against heavy impacts

    • Capacity:174 gallons
    • Material:PVC fabric with steel frame
    • Frame Thickness:0.64 inches (16 mm)
    • Assembly Time:10 minutes
    Our verdict
    “This soft-shell deck box is perfect for users valuing large capacity and quick setup, but not for those prioritizing security or extreme durability.”
  2. EasyUp 180 Gallon Deck Box, Waterproof & UV Resistant, Black

    EasyUp 180 Gallon Deck Box, Waterproof & UV Resistant, Black

    Best for Multi-Functional Use and Security

    View Latest Price

    The EasyUp 180 Gallon Deck Box excels as a multi-purpose outdoor solution, functioning as a storage unit, bench, or side table. Made from weather-resistant composite resin, it offers superior UV protection, making it more durable than fabric-based options like the 174 Gallon Soft Shell for prolonged outdoor exposure. Its lockable design adds a layer of security not present in softer models, though the lock mechanism details are limited, so high-security needs might be unmet. Its size is considerable, requiring sufficient space but providing versatile outdoor use in a sleek black finish. Compared to larger capacity options, this model balances size, durability, and security effectively.

    Pros:
    • Weather-resistant composite resin construction
    • Multi-functional as storage, bench, or side table
    • Lockable for security
    • UV resistant for prolonged outdoor durability
    Cons:
    • Large size may require ample space
    • Locking mechanism details are not specified
    • Limited color options (only black)

    Best for: Gardeners or patio owners seeking a durable, lockable storage solution that doubles as outdoor furniture

    Not ideal for: Small outdoor spaces or those seeking maximum capacity without security features

    • Material:Weather-resistant composite resin
    • Capacity:180 gallons
    • Dimensions:54.25″L x 26.5″W x 24.21″H
    • Color:Black
    Our verdict
    “Ideal for users wanting a durable, secure, and versatile outdoor storage bench, but not suited for tight spaces or those needing a wider color choice.”
  3. EasyUp 350 Gallon Deck Box Outdoor Storage Box, Black

    EasyUp 350 Gallon Deck Box Outdoor Storage Box, Black

    Best for Maximum Storage and Long-Term Durability

    View Latest Price

    For those needing extensive outdoor storage, the EasyUp 350 Gallon Deck Box delivers with its massive capacity, making it suitable for storing cushions, tools, and bulky accessories. Constructed from weather-resistant composite resin, it offers superior durability compared to fabric or polypropylene options, with features like UV, fade, and deformation resistance. Its multifunctional design as a bench or side table adds convenience, though its weight may make moving when full a challenge. In comparison to smaller models such as the Devoko 30 Gallon Resin Deck Box, this unit prioritizes capacity over portability. Its lockable feature enhances security, but details are limited on the locking mechanism itself.

    Pros:
    • Huge 350-gallon capacity for maximum storage
    • Weather-resistant, durable construction
    • Multifunctional as a bench or side table
    • Easy to assemble without tools
    Cons:
    • Heavy when filled, difficult to move
    • Locking mechanism details are limited
    • Limited color options (black only)

    Best for: Large families or businesses needing extensive, durable outdoor storage that also functions as furniture

    Not ideal for: Small patios or users who prefer lightweight, portable options

    • Capacity:350 gallons
    • Material:Weather-resistant composite resin
    • Color:Black
    • Features:Lockable, waterproof, UV resistant, fade resistant, deformation resistant
    Our verdict
    “Best suited for those with large outdoor storage needs who prioritize durability and multifunctionality over portability.”
  4. Outdoor Storage Box, 160 Gallon Waterproof Resin Deck Box with Support Rod

    Outdoor Storage Box, 160 Gallon Waterproof Resin Deck Box with Support Rod

    Best for Elegant Design and Moderate Capacity

    View Latest Price

    The Outdoor Storage Box with 160 gallons offers a stylish storage solution with its woven rattan texture, making it a good fit for decor-conscious outdoor spaces. Made from weatherproof polypropylene resin, it provides solid water and UV resistance, comparable to the Devoko 100 Gallon Resin Deck Box, but with a more refined aesthetic. Its snap-on assembly makes setup straightforward, though the dimensions are not specified, which could be limiting for larger items. Unlike larger resin boxes, it balances capacity with design, but it lacks explicit lockable features, making security a consideration.

    Pros:
    • Weatherproof and UV protected for year-round use
    • Elegant woven rattan finish enhances outdoor decor
    • Easy to assemble with minimal tools
    • Multi-purpose for yard, pool, or porch storage
    Cons:
    • Dimensions not specified, may not fit all spaces
    • Lacks mention of lockable features
    • Capacity may be limited for very large items

    Best for: Homeowners seeking an attractive, moderate-capacity storage box that complements outdoor decor

    Not ideal for: Users with very large storage needs or requiring lockable security

    • Capacity:160 gallons
    • Material:Polypropylene resin
    • Finish:Woven rattan texture
    • Waterproof:Yes
    • UV Protected:Yes
    Our verdict
    “A stylish option for moderate outdoor storage needs, especially where aesthetic matters, but not ideal for high-security requirements.”
  5. Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage for Patio Furniture and Garden Tools

    Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage for Patio Furniture and Garden Tools

    Best for Compact Storage and Versatility

    View Latest Price

    The Devoko 30 Gallon Resin Deck Box provides a compact, lightweight option for outdoor storage, supporting up to 220 pounds as an extra seat. Its high-density resin construction offers waterproof and UV-resistant protection, making it suitable for smaller patio or garden needs. Compared to larger models like the EasyUp 180 Gallon, it excels in portability and quick setup, but its limited internal height may restrict larger or taller items. Its basic design keeps it affordable, though the absence of detailed lock features could be a concern for security-minded buyers. This pick is best for those prioritizing mobility and simplicity over maximum capacity.

    Pros:
    • Lightweight and easy to move
    • Doubles as a sturdy extra seat
    • Waterproof and UV resistant
    • Simple to assemble in minutes
    Cons:
    • Limited internal height restricts larger items
    • Locking mechanism details are not specified
    • Basic aesthetic design

    Best for: Small patios, balcony users, or those needing a lightweight, portable storage seat

    Not ideal for: Large storage needs or users requiring lockable security for valuables

    • Capacity:30 gallons
    • Dimensions:22 x 16 x 20 inches
    • Weight:8.8 pounds
    • Material:High-density resin
    • Additional Features:Lockable lid, extra seat
    Our verdict
    “Ideal for compact outdoor spaces needing portable storage and seating, but not suitable for extensive or security-sensitive storage.”
  6. Devoko 100 Gallon Waterproof Resin Deck Box

    Devoko 100 Gallon Waterproof Resin Deck Box

    Best Overall for Versatile Outdoor Storage and Seating

    View Latest Price

    This deck box combines substantial storage with outdoor functionality, making it ideal for those needing a multi-use solution. Its 100-gallon capacity surpasses smaller options like the EFU 60-Gallon, offering ample space for garden tools, cushions, or toys. The weather-resistant poly resin ensures protection from rain and UV rays, while the integrated bench supports seating for two adults, adding convenience. Unlike the Keter Marvel Plus, which is slightly smaller at 71 gallons, the Devoko model’s larger capacity and dual purpose justify its higher weight and potentially more challenging mobility. The gas lift supports may require occasional maintenance, and the locking mechanism isn’t clearly specified, which could impact security. Overall, this box suits users wanting a durable, stylish, and multi-functional outdoor storage solution.

    Pros:
    • Large 100-gallon capacity ideal for various outdoor items
    • Weather-resistant, UV-stable poly resin construction
    • Dual-purpose as a sturdy bench supporting up to 500 lbs
    • Modern rattan design complements contemporary outdoor decor
    Cons:
    • Heavy to move despite side handles, which can complicate repositioning
    • Gas lift supports may require maintenance over time
    • Locking mechanism details are not specified, potentially impacting security

    Best for: Homeowners needing large-capacity outdoor storage combined with seating for patios or decks

    Not ideal for: Individuals with limited mobility or small outdoor spaces, due to its weight and size

    • Capacity:100 Gallons
    • Inner Dimensions:47.8″L x 21.4″W x 24.6″H
    • Material:Poly resin
    • Weight Capacity (bench):500 lbs
    • Design:Modern rattan
    • Functionality:Storage + Seating
    Our verdict
    “This pick is perfect for those wanting a spacious, stylish, and multi-use outdoor storage bench that withstands the elements.”
  7. KAMABOKO 150 Gallon Outdoor Resin Storage Box, Waterproof Lockable Deck Box for Garden Tools and Patio Furniture, Black

    KAMABOKO 150 Gallon Outdoor Resin Storage Box, Waterproof Lockable Deck Box for Garden Tools and Patio Furniture, Black

    Best for Large-Scale Outdoor Storage with Security

    View Latest Price

    The KAMABOKO 150-gallon deck box offers generous storage capacity for garden tools, cushions, and pool accessories, making it suitable for larger outdoor setups. Its waterproof, lockable lid provides added security against theft or animals, a feature that surpasses the simpler locking system of the EFU 60-Gallon box. Compared with the Keter Westwood, which also boasts 150 gallons but features a wood-like appearance, the KAMABOKO’s sleek black resin design emphasizes security and modern style. However, it is quite heavy, which may challenge those with limited strength or small spaces, and assembly could take some time. This model is best suited to users prioritizing security and large capacity without concern for frequent repositioning.

    Pros:
    • Abundant 150-gallon capacity for extensive outdoor storage
    • Waterproof and lockable for enhanced security
    • Stylish, sleek black resin construction fits modern outdoor aesthetics
    • Resists weather and UV damage
    Cons:
    • Heavy to move once filled, complicating relocation
    • Requires assembly, which may be time-consuming
    • Limited color options reduce customization

    Best for: Gardeners and homeowners seeking a large, secure outdoor storage solution for valuable or bulky items

    Not ideal for: Renters or those with limited space who need frequent access or portability, due to weight and assembly effort

    • Capacity:150 gallons
    • Dimensions:47in x 21in x 23.9in
    • Material:Weather-resistant resin
    • Lockable:Yes
    • Color:Black
    • Design:Sleek, modern
    Our verdict
    “This box is ideal for users needing large, secure storage that remains protected from the elements and theft.”
  8. Keter Westwood 150-Gallon Outdoor Storage Box for Patio and Pool Accessories

    Keter Westwood 150-Gallon Outdoor Storage Box for Patio and Pool Accessories

    Best for Stylish, Low-Maintenance Outdoor Storage with Seating

    View Latest Price

    The Keter Westwood offers a 150-gallon capacity wrapped in a stylish wood-like resin finish, making it an attractive choice for those who want outdoor storage that doesn’t compromise on appearance. Its dual function as seating makes it a versatile addition to patios, especially compared to simpler plastic boxes like the EFU 60-Gallon that lack aesthetic appeal. While it provides ample storage for cushions, pool floats, and garden tools, the weight when filled can be cumbersome to reposition, similar to the other large resin options. The all-weather resin resists UV rays and rain, but the aesthetic may not appeal to those who prefer a more traditional or plain look. This model makes sense for users prioritizing style and durability in a compact, dual-purpose design.

    Pros:
    • Large 150-gallon capacity for versatile outdoor storage
    • Resilient, weather-resistant resin with a wood-like finish
    • Dual-purpose as seating and storage
    • Low-maintenance, attractive design
    Cons:
    • Heavy when filled, making repositioning difficult
    • Limited to outdoor use only, reducing versatility
    • Color options are limited to the wood-like finish

    Best for: Homeowners who want a stylish, durable storage box that doubles as outdoor seating and complements modern decor

    Not ideal for: Those needing heavy-duty security or frequent mobility, as it’s primarily designed for aesthetics and stability

    • Capacity:150 gallons
    • Material:Resin
    • Appearance:Wood-plank look
    • Weather Resistance:All-weather
    • Dimensions:Not specified
    • Functionality:Storage + Seating
    Our verdict
    “This box suits users seeking a stylish, weatherproof outdoor storage solution that enhances their patio’s look while providing practical seating.”
  9. EFU Outdoor Storage Box 60 Gallon Deck Box Waterproof Resin Black

    EFU Outdoor Storage Box 60 Gallon Deck Box Waterproof Resin Black

    Best Budget-Friendly for Small-Scale Outdoor Storage

    View Latest Price

    The EFU 60-Gallon deck box provides a compact, durable option for organizing outdoor toys, tools, and cushions. Made from polypropylene resin, it offers waterproof and UV-protected storage, making it a reliable choice compared to larger, more expensive options like the Keter Westwood or KAMABOKO. Its smaller capacity makes it less suitable for extensive storage needs but ideal for limited spaces and lighter outdoor items. Assembly is straightforward, and the UV protection helps maintain its appearance over time. However, its size limits its usefulness for bulkier or numerous items, and the limited color options may not match more decorative outdoor decor. This model makes sense for users needing a reliable, compact storage unit without the high price tag.

    Pros:
    • Durable, weatherproof polypropylene construction
    • UV protected for outdoor longevity
    • Easy to assemble and maintain
    • Affordable price point
    Cons:
    • Limited 60-gallon capacity for larger storage needs
    • Limited color options reduce aesthetic flexibility
    • Small size may require multiple units for extensive storage

    Best for: Small households or renters needing a reliable, affordable outdoor storage solution for essentials

    Not ideal for: People with large outdoor storage needs or bulky items, as its 60-gallon capacity may be insufficient

    • Capacity:60 gallons
    • Material:Polypropylene resin
    • Color:Black
    • Features:Weatherproof, UV protected
    • Assembly:Easy
    • Design:Simple, functional
    Our verdict
    “This compact, budget-friendly box is perfect for small outdoor storage needs and limited spaces.”
  10. Keter Marvel Plus 71 Gallon Resin Deck Box

    Keter Marvel Plus 71 Gallon Resin Deck Box

    Best for Moderate Capacity and Outdoor Seating

    View Latest Price

    The Keter Marvel Plus offers a balanced combination of size, style, and function. With a 71-gallon capacity, it comfortably stores cushions, garden tools, or toys, while its resin construction resists weather and UV rays. Its wood-look exterior makes it more attractive than plain plastic boxes like the EFU, making it suitable for visible outdoor spaces. Compared to the larger KAMABOKO and Westwood options, it’s more manageable in terms of weight and size, but still provides sufficient storage for typical outdoor needs. Assembly is straightforward, though it may take some time. It’s best for users who want a durable, attractive storage box that doubles as seating without the bulk of larger models.

    Pros:
    • Weather-resistant and durable construction
    • Provides ample 71-gallon storage capacity
    • Can be used as outdoor seating
    • Stylish wood-look finish
    Cons:
    • Assembly may require some effort and time
    • Limited to outdoor use due to resin material
    • Capacity might be insufficient for very large storage needs

    Best for: Homeowners needing a stylish, moderate-capacity outdoor storage bench for everyday use

    Not ideal for: Those with large storage demands or requiring maximum security, as its 71-gallon capacity may be limiting

    • Capacity:71 gallons
    • Exterior Dimensions:45.9 in W x 17.4 in D x 22.2 in H
    • Interior Dimensions:44.6 in W x 15.6 in D x 20 in H
    • Material:Resin
    • Weight Capacity:485 lbs
    • Design:Wood-look
    Our verdict
    “This model is ideal for users seeking a stylish, manageable outdoor storage bench that offers reliable weather resistance.”
  11. 100 Gallon Outdoor Storage Box Waterproof Lockable Deck Box with Gas Lift, Black

    100 Gallon Outdoor Storage Box Waterproof Lockable Deck Box with Gas Lift, Black

    Best Overall for Versatile Outdoor Use

    View Latest Price

    This 100-gallon storage box stands out for its heavy-duty construction and multifunctionality, serving as both secure storage and outdoor seating. Unlike the Keter Kentwood, which focuses more on ease of assembly and seating, this model emphasizes weather-resistant durability and security with a lockable lid. Its steel reinforcement adds robustness, but the lock is not included, which could be a drawback for those seeking immediate security. The gas lift makes lid access smooth, a feature missing in many simpler models. While assembly might take some effort, its ability to support up to 500 lbs makes it suitable for heavy outdoor use. Overall, this pick suits homeowners who want a durable, stylish, and secure outdoor storage solution that doubles as a bench.

    Pros:
    • Heavy-duty, weather-resistant design ensures durability in all seasons
    • Multi-functional as storage, seating, and parcel delivery box
    • Lockable lid enhances security for valuables
    Cons:
    • Lock not included, requiring additional purchase
    • Assembly may require some effort despite being tool-free

    Best for: Homeowners needing a durable, lockable storage solution that doubles as outdoor seating

    Not ideal for: Small patios or users seeking a lightweight, easily movable storage box

    • Capacity:100 gallons
    • Dimensions:47.8″L x 21.3″W x 24.4″H
    • Material:Double-wall resin with steel reinforcement
    • Supports:Up to 500 lbs
    • Lock:Lock not included
    • Supports weight:500 lbs
    Our verdict
    “This model is ideal for those who need a tough, secure outdoor storage solution with seating capacity.”
  12. Mirador 134 Gallon Outdoor Storage Box with Wheels & Soft-Close Lid, Waterproof Metal Deck Box for Patio Cushions, Garden Tools & Pool Accessories, Latte

    Mirador 134 Gallon Outdoor Storage Box with Wheels & Soft-Close Lid, Waterproof Metal Deck Box for Patio Cushions, Garden Tools & Pool Accessories, Latte

    Best for Large Capacity and Mobility

    View Latest Price

    The Mirador storage box offers a generous 134-gallon capacity combined with mobility, thanks to its wheels, making it especially suitable for large outdoor spaces. Unlike the Keter Westwood, which emphasizes style and moderate capacity, this metal deck box prioritizes ease of repositioning and safety with its soft-close lid—preventing slams and injuries. Its rust-proof steel and aluminum construction ensure longevity even in humid environments, but its weight of 77.5 pounds can make repositioning cumbersome without the wheels. The large capacity is excellent for bulky items like cushions and pool accessories, but the single large compartment may limit organizational options compared to smaller, divided boxes. Overall, this pick makes the most sense for users who need to move their storage frequently and value rust-proof durability.

    Pros:
    • Large 134-gallon capacity for bulky outdoor items
    • Rust-proof steel and aluminum for weather resistance
    • Wheeled design facilitates easy movement around the yard
    • Soft-close lid prevents slamming and enhances safety
    Cons:
    • Heavy weight may hinder repositioning without wheels
    • Limited compartmentalization reduces organizational flexibility

    Best for: Owners with large outdoor areas who need frequent repositioning of stored items

    Not ideal for: Users with limited strength or those seeking lightweight, less heavy-duty options

    • Capacity:134 gallons
    • Dimensions:51.2″L x 23.8″W x 31.1″H
    • Material:Rust-proof steel and aluminum
    • Weight:77.5 pounds
    • Color:Latte
    • Maximum Weight Recommendation:220 pounds
    Our verdict
    “This model suits those who need a spacious, rust-resistant, and mobile outdoor storage option for large items.”
  13. Keter Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool Accessories

    Keter Kentwood 92 Gallon Outdoor Storage Box for Patio and Pool Accessories

    Best for Compact, Easy-Access Storage with Seating

    View Latest Price

    The Keter Kentwood offers a practical 92-gallon capacity with a focus on simplicity and added seating, making it ideal for smaller patios or decks. Compared to the larger Mirador, it is more compact and easier to fit into tight spaces, but with less overall capacity. Its resin construction resists rust, fading, and dents, making maintenance minimal. The tool-free assembly is straightforward, but the size limits storage for bulkier items. The lockable lid provides basic security, suitable for storing cushions, toys, or pool accessories. The extra bench seating is a bonus for small gatherings but might not support heavy loads like the heavier models. This makes it an excellent choice for users who want a reliable, space-efficient outdoor storage box with a seating option.

    Pros:
    • Resistant to rust, fading, and dents for low maintenance
    • Provides ample storage for patio cushions, toys, and accessories
    • Includes lockable lid for security
    • Extra seating capacity integrated into the design
    Cons:
    • Assembly may take some time despite tool-free design
    • Limited to covered patios or garages for best use

    Best for: Small families or individuals with limited outdoor space seeking a secure, dual-purpose storage and seating solution

    Not ideal for: Homeowners with large outdoor storage needs or bulky items, due to its lower capacity

    • Capacity:92 gallons
    • Dimensions:50.4 in. W x 21.2 in. D x 23.2 in. H
    • Material:Resin
    • Seating Capacity:573 lbs
    Our verdict
    “This box is perfect for small outdoor spaces needing secure storage combined with extra seating, but less suited for large or bulky items.”
waterproof outdoor storage boxes
What makes a great waterproof outdoor storage boxe
1
Material and Weather Resistance
The durability of the storage box depends heavily on its material.
2
Size and Capacity
Assess your storage needs carefully.
3
Security and Locking Features
If security is a concern, look for storage boxes with lockable lids or reinforced locking mechanisms.
4
Ease of Use and Maintenance
Features like soft-close lids, wheels, or handles improve usability, especially for larger units.
How to choose your waterproof outdoor storage boxe
1
How we picked
I evaluated each product based on its ability to withstand outdoor conditions, focusing on waterproofing, material durab
2
Material and Weather Resistance
The durability of the storage box depends heavily on its material.
3
Size and Capacity
Assess your storage needs carefully.
4
Security and Locking Features
If security is a concern, look for storage boxes with lockable lids or reinforced locking mechanisms.
5
Ease of Use and Maintenance
Features like soft-close lids, wheels, or handles improve usability, especially for larger units.
Vetted waterproof outdoor storage boxes ·
The best waterproof outdoor storage boxes, compared
★ Winner 174 Gallon Outdoor Storage Box
Best Overall for Large Capacity and Flexibility
13compared
350 gallonstop capacity

How We Picked

I evaluated each product based on its ability to withstand outdoor conditions, focusing on waterproofing, material durability, and UV resistance. Ease of use, such as lid design and accessibility, was also key, along with size options that cater to different storage needs. Value for money mattered, but I prioritized build quality and long-term performance over low upfront costs. The ranking reflects a combination of these factors, highlighting options that deliver reliable outdoor protection while considering user convenience and price point.
Everyday → specialist
Everyday & valuePremium & specialist
Which waterproof outdoor storage boxe fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Waterproof Outdoor Storage Boxes

Choosing the right waterproof outdoor storage box involves more than just capacity. It’s important to consider the material, weather resistance, and additional features that suit your specific needs. A well-chosen box can protect your belongings for years, so understanding these factors helps prevent common mistakes like overpaying for features you don’t need or selecting a size too small for your items.

Material and Weather Resistance

The durability of the storage box depends heavily on its material. Resin and plastic models are generally lightweight and resistant to rust, making them a popular choice for outdoor use. Metal options, especially those with powder coating, offer superior strength and weather resistance but may require maintenance to prevent rust. Consider climate factors—if you experience harsh winters or high humidity, investing in UV-resistant and corrosion-proof materials can extend the lifespan of your box.

Size and Capacity

Assess your storage needs carefully. Larger capacities, like 150 gallons or more, are ideal for storing bulky items like furniture cushions or garden equipment, but they tend to be heavier and less maneuverable. Smaller boxes, around 60-80 gallons, are easier to handle and can fit into tighter spaces, making them suitable for lighter or fewer items. Remember, choosing a size that’s too small can lead to clutter, while overly large boxes might be cumbersome and unnecessary.

Security and Locking Features

If security is a concern, look for storage boxes with lockable lids or reinforced locking mechanisms. Many models include padlock hasps, which help keep valuables safe from theft or animals. However, adding locks can sometimes complicate access or increase the cost, so balance security needs with convenience. For casual storage, a simple latch might suffice, but for valuable equipment, a lockable box is worth the extra investment.

Ease of Use and Maintenance

Features like soft-close lids, wheels, or handles improve usability, especially for larger units. Soft-close lids prevent slamming and damage, while wheels facilitate movement across uneven surfaces. Maintenance considerations include choosing materials that resist mold, mildew, and staining. Regular cleaning with mild soap and water can extend the life of resin or plastic boxes, whereas metal units might require rust prevention treatments.

Design and Aesthetics

While functionality is key, the appearance of your storage box can enhance your outdoor space. Many brands now offer sleek, modern designs that blend with patio furniture or garden decor. Consider color options and whether the box complements your existing landscape. A well-designed unit that looks good can encourage more frequent use and better integration into your outdoor environment.

Frequently Asked Questions

Will a plastic resin storage box withstand harsh winter weather?

Most resin storage boxes are designed to withstand outdoor conditions, including winter weather. Look for models with UV-resistant and snow-proof features, as these will resist cracking or fading over time. However, extremely cold temperatures can sometimes make plastic brittle, so choosing a heavy-duty, UV-stabilized resin box provides better durability. It’s also wise to drain water and clean the box before winter to prevent damage from ice buildup.

Can I lock these boxes to prevent theft?

Many outdoor storage boxes include built-in lock hasps or reinforced lids suitable for padlocks. If securing your belongings is a priority, select a model explicitly designed with locking features. Keep in mind, some budget options may lack this feature, so you might need to add a lock separately. A lockable box provides peace of mind, especially if you store valuable equipment or are concerned about animals rummaging through your yard.

Are metal storage boxes better than resin for outdoor use?

Metal boxes tend to be more durable and resistant to impacts, making them suitable for heavy-duty storage needs. Properly coated or galvanized metal can resist rust and corrosion, but they often require more maintenance and can be heavier to move. Resin or plastic boxes are lighter, easier to handle, and resistant to rust, but may be less sturdy against impacts or extreme weather. The best choice depends on your specific climate, security needs, and budget.

How much maintenance do these outdoor storage boxes require?

Most resin and plastic models require minimal upkeep—occasional cleaning with soap and water usually suffices. Metal boxes with protective coatings might need rust prevention treatments over time, especially in humid areas. Regularly inspecting the hinges, locks, and seals helps maintain weatherproofing. Avoid leaving standing water inside, as it can promote mold or mildew, and store the box in a shaded area to reduce UV damage.

What size storage box do I need for outdoor furniture cushions?

The size depends on how many cushions you want to store and their dimensions. For a typical set of outdoor cushions, a box with at least 100 gallons of capacity is recommended to prevent overcrowding. Larger, 150-gallon models provide extra space for seasonal items or additional gear. Measure your cushions beforehand, and choose a box that offers enough room without being excessively bulky or hard to move around.

Conclusion

For general outdoor storage needs, the Devoko 100 Gallon Waterproof Resin Deck Box offers a reliable balance of size, durability, and ease of use, making it the best overall pick. If you’re seeking the best value, the Keter Westwood 150-Gallon Box combines capacity and style at a reasonable price. For those prioritizing security, a lockable model like the 100 Gallon Lockable Deck Box is ideal. Beginners or homeowners with smaller spaces should consider compact options like the Keter Marvel Plus 71 Gallon. Finally, if you need a heavy-duty, long-lasting solution for harsh climates, investing in a metal or high-end resin box will pay off in the long run.
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