Finding the best outdoor storage benches waterproof requires balancing durability, capacity, and ease of use. The Flamaker 80 Gallon Storage Bench stands out for its all-weather design and dual purpose as seating. The Keter Westwood 150 Gallon Box offers ample storage for larger outdoor items, making it ideal for pool accessories and garden tools. However, tradeoffs often involve size, price, and the level of security. Continue reading for a detailed breakdown of these options and which might suit your outdoor needs best.
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Key Takeaways
- Capacity varies significantly, with options ranging from 80 to 150 gallons, impacting storage space and size.
- Lockability is a common feature, but not all models offer high-security locks, which may matter for valuable items.
- Materials like resin and heavy-duty plastic provide waterproofing but can differ in aesthetic appeal and durability over time.
- Size and weight influence ease of placement and mobility, with larger boxes offering more storage but less portability.
- Price points vary widely; premium models tend to offer better longevity and security, while budget options focus on basic waterproofing.
| Flamaker 80 Gallon Storage Bench with Seat, Waterproof All-Weather Deck Box | ![]() | Best Overall for Large Capacity and Security | Capacity: 80 gallons | Material: High-density resin | Weight Support: 600 lbs | VIEW LATEST PRICE | See Our Full Breakdown |
| 120 Gallon Outdoor Storage Bench Lockable Patio Storage Black | ![]() | Best for Extra Large Storage with Easy Handling | Capacity: 120 gallons | Material: Weather-resistant resin | Maximum weight: 600 lbs | VIEW LATEST PRICE | See Our Full Breakdown |
| Greesum 80 Gallon Outdoor Storage Bench with Armrest, Black | ![]() | Best for Comfort and Weather Resistance | Capacity: 80 gallons | Seats: 2-3 people | Weight Capacity: 550 lbs | VIEW LATEST PRICE | See Our Full Breakdown |
| Storage Bench Outdoor Deck Box, 100 Gallon Lockable Patio Furniture | ![]() | Best for Large Storage and UV Resistance | Capacity: 100 gallons | Material: Polypropylene resin | Color: Woodgrain | VIEW LATEST PRICE | See Our Full Breakdown |
| Devoko 80 Gallon Waterproof Lockable Storage Bench Deck Box | ![]() | Best for Security and Practicality | Exterior Dimensions: 52.8 in. L x 22.6 in. W x 32.3 in. H | Interior Dimensions: 48.4 in. L x 22.4 in. W x 16.9 in. H | Capacity: 80 gallons | VIEW LATEST PRICE | See Our Full Breakdown |
| 80 Gallon Lockable Deck Bench with Storage, Resin Stripes Outdoor Waterproof Bench for Patio and Garden | ![]() | Best Overall for Versatile Outdoor Use | Capacity: 80 gallons | Dimensions: 52” L x 23” W x 35” H | Weight Capacity: 500 lbs | VIEW LATEST PRICE | See Our Full Breakdown |
| Keter Westwood 150 Gallon Outdoor Storage Box for Patio and Pool Accessories | ![]() | Best for Large Capacity and Stylish Storage | Capacity: 150 gallons | Exterior Dimensions: 61” L x 28.34” W x 25.19” H | Interior Dimensions: 56” L x 24.6” W x 22.8” H | VIEW LATEST PRICE | See Our Full Breakdown |
| outdoor storage benches waterproof | Capacity | Material |
|---|---|---|
| Flamaker 80 Gallon Storage Ben | 80 gallons | High-density resin |
| 120 Gallon Outdoor Storage Ben | 120 gallons | Weather-resistant resin |
| Greesum 80 Gallon Outdoor Stor | 80 gallons | Polypropylene |
| Storage Bench Outdoor Deck Box | 100 gallons | Polypropylene resin |
| Devoko 80 Gallon Waterproof Lo | 80 gallons | — |
| 80 Gallon Lockable Deck Bench | 80 gallons | Weather-resistant resin |
| Keter Westwood 150 Gallon Outd | 150 gallons | Resin |
More Details on Our Top Picks
Flamaker 80 Gallon Storage Bench with Seat, Waterproof All-Weather Deck Box
The Flamaker 80-Gallon Storage Bench stands out for its impressive capacity and robust construction, supporting up to 600 lbs and featuring a lockable lid for added security. Compared with the Greesum model, it offers a larger storage space, making it ideal for organizing bulky outdoor items. Its resin material is highly weather-resistant, ensuring longevity even in harsh conditions. However, its weight can make repositioning cumbersome without handles, which might be a concern for smaller patios or those needing frequent rearrangement. This pick makes the most sense for homeowners prioritizing high capacity and security, willing to handle a heavier unit.Pros:- Large 80-gallon capacity for outdoor essentials
- Weather-resistant, durable resin construction
- Supports up to 600 lbs with reinforced build
- Lockable lid for security
Cons:- Heavy to move without handles
- Limited color options, which may not match all aesthetics
Best for: Gardeners or homeowners with large outdoor storage needs who want a secure, weatherproof bench that can also serve as seating.
Not ideal for: Small patios or users seeking lightweight, easily movable options, since it can be quite heavy without handles.
- Capacity:80 gallons
- Material:High-density resin
- Weight Support:600 lbs
- Seat Capacity:2-3 people
Our verdict“This option is best for those needing high capacity and security in a durable, weatherproof outdoor bench, even if mobility is less convenient.”
120 Gallon Outdoor Storage Bench Lockable Patio Storage Black
The 120 Gallon Outdoor Storage Bench provides significantly more space than the Flamaker, making it suitable for families or users with extensive outdoor gear. Its weather-resistant resin ensures year-round durability, and the dual handles facilitate easier movement compared to heavier models. It’s an excellent choice for those who want large storage without sacrificing seating comfort, supported by a sturdy design that supports up to 600 lbs. The main tradeoff involves the absence of a padlock, which could be a concern for security-sensitive users. Overall, this bench is ideal for those seeking maximum storage and frequent repositioning, though security is less robust without a lock.Pros:- Massive 120-gallon capacity for outdoor gear
- Weather-resistant, durable resin design
- Easy to move with built-in side handles
- Supports up to 600 lbs with sturdy construction
Cons:- Padlock not included for security
- Heavy when fully loaded, may require assistance to move
Best for: Families or outdoor enthusiasts needing large, secure storage with convenient mobility for seasonal rearrangements.
Not ideal for: Users requiring built-in locks or higher security, as the padlock is not included, and security relies on external measures.
- Capacity:120 gallons
- Material:Weather-resistant resin
- Maximum weight:600 lbs
- Seating capacity:2 persons
Our verdict“Best suited for those who need large storage with easy handling, prioritizing capacity and convenience over built-in security features.”
Greesum 80 Gallon Outdoor Storage Bench with Armrest, Black
The Greesum 80-Gallon Bench offers a comfortable seating experience with armrests, setting it apart from the simpler Flamaker model. Made from weather-resistant polypropylene, it handles outdoor conditions well, though it offers slightly less security as it requires a separate lock. Its 550 lbs support capacity is adequate for casual outdoor use, and the armrests add comfort for seating. Compared with the Devoko model, it emphasizes comfort over maximum capacity, which could be a limitation for those with larger storage needs. This bench is ideal for users seeking a comfortable, durable, and weatherproof seat with moderate storage.Pros:- Comfortable seating with armrests
- Weather-resistant polypropylene material
- Supports up to 550 lbs
- Secure storage compartment (lock must be purchased separately)
Cons:- Padlock not included, requiring additional purchase
- Potentially heavy to move, depending on contents
Best for: Homeowners who prioritize outdoor comfort and durability over maximum storage capacity, suitable for casual patio settings.
Not ideal for: Users needing large storage or integrated security features, as it requires a separate lock and offers moderate capacity.
- Capacity:80 gallons
- Seats:2-3 people
- Weight Capacity:550 lbs
- Material:Polypropylene
Our verdict“Ideal for those seeking a weatherproof, comfortable outdoor seat with moderate storage, accepting additional costs for security.”
Storage Bench Outdoor Deck Box, 100 Gallon Lockable Patio Furniture
The Storage Bench offers a generous 100 gallons of waterproof, UV-resistant storage, outperforming the Greesum in capacity and material durability. Its dual-purpose design supports up to 660 lbs, making it suitable for heavier outdoor furniture or multiple users. The woodgrain finish adds an aesthetic touch that can blend well with various patio styles. However, the lack of detailed dimensions could pose challenges for fitting into smaller spaces, and the limited color options may not suit all tastes. This choice is best for users wanting extensive storage that also enhances outdoor decor, with the understanding that size and color options are somewhat limited.Pros:- Large 100-gallon waterproof storage
- UV-resistant and weatherproof construction
- Supports up to 660 lbs, suitable as seating
- Aesthetic woodgrain finish
Cons:- Dimensions not specified, may not fit small patios
- Limited color options
Best for: Homeowners seeking large, durable outdoor storage that also complements a stylish patio with UV protection features.
Not ideal for: People with limited space or specific color preferences, as dimensions are not specified and color options are limited.
- Capacity:100 gallons
- Material:Polypropylene resin
- Color:Woodgrain
- Weather Resistance:Waterproof, UV resistant
Our verdict“Best for those needing substantial, stylish outdoor storage with weather and UV resistance, accepting some limitations in size details.”
Devoko 80 Gallon Waterproof Lockable Storage Bench Deck Box
The Devoko 80-Gallon Bench combines practical waterproof storage with a sturdy locking feature, making it a solid choice for those concerned about outdoor security. Its dimensions are suitable for most patios, and its support capacity of 400 lbs is sufficient for light outdoor furniture or smaller gear. Compared to the Greesum, it emphasizes security with locking holes, although the locking mechanism details are less explicit. Its heavier weight can make moving inconvenient, especially when fully loaded. This model appeals to buyers needing a reliable, lockable outdoor bench that balances capacity with security, though it isn’t designed for heavy or frequent repositioning.Pros:- Waterproof, lockable storage for outdoor security
- Supports up to 400 lbs, suitable for seating
- Sturdy construction for outdoor durability
Cons:- Heavy and potentially difficult to move
- Locking mechanism details are not fully specified
Best for: Patio owners who value secure storage and outdoor seating in a sturdy, waterproof design, even if mobility is limited.
Not ideal for: Those who need a lightweight, easily movable solution or larger capacity, as it is relatively heavy and has a moderate 80-gallon capacity.
- Exterior Dimensions:52.8 in. L x 22.6 in. W x 32.3 in. H
- Interior Dimensions:48.4 in. L x 22.4 in. W x 16.9 in. H
- Capacity:80 gallons
- Weight Capacity:400 lbs
Our verdict“Suitable for users prioritizing secure, waterproof outdoor storage with seating, accepting some difficulty in mobility.”
80 Gallon Lockable Deck Bench with Storage, Resin Stripes Outdoor Waterproof Bench for Patio and Garden
This bench stands out for combining a generous 80-gallon capacity with a lockable design, offering security for stored items—a notable advantage over the smaller Greesum 80 Gallon Outdoor Storage Bench, which lacks locking features. Its weather-resistant resin ensures durability across seasons, making it suitable for patios, gardens, or poolside areas where exposure to the elements is constant. The ergonomic backrest and armrests make it comfortable for two, but the relatively limited color options and the absence of a padlock mean it’s less customizable and secure without additional accessories. Compared to the Keter Westwood 150 Gallon, this model trades some storage volume for easier handling and quicker assembly, though it may be heavier once fully loaded. This pick is ideal for buyers needing a secure, durable, and comfortable seating-storage combo for medium to large outdoor spaces.
Pros:- Large 80-gallon capacity with lockable feature for security
- Weather-resistant resin construction ensures durability
- Comfortable ergonomic backrest and armrests for two
- Easy to assemble within 30 minutes
Cons:- Padlock not included, requiring extra purchase for security
- Limited color choices restrict customization
- Heavy when fully loaded, making repositioning difficult
Best for: Homeowners seeking a secure, weatherproof bench with ample storage for patio or garden essentials and seating for two.
Not ideal for: Those who prioritize a wider range of colors or require a lightweight, easily movable option for smaller spaces.
- Capacity:80 gallons
- Dimensions:52” L x 23” W x 35” H
- Weight Capacity:500 lbs
- Material:Weather-resistant resin
- Seating Capacity:2 persons
- Color:Grey
Our verdict“This bench is best suited for buyers needing a secure, durable, and comfortable outdoor storage solution with seating for two.”
Keter Westwood 150 Gallon Outdoor Storage Box for Patio and Pool Accessories
The Keter Westwood 150 Gallon stands out for its impressive storage capacity, making it an excellent choice for those with substantial outdoor gear, like pool floats or cushions, that need to be kept dry. It doubles as a bench for two, with a sleek, wood-plank look that adds visual appeal—more stylish than the simpler 80 Gallon Lockable Deck Bench. Its resin material resists rust, dents, and weather, ensuring longevity, but the large size means it can be difficult to move once filled, especially for smaller spaces. The automatic opening mechanism simplifies access, yet the full extension of the lid requires ample space, limiting placement options. Compared to the smaller 80-gallon options, this model sacrifices some maneuverability for sheer volume. It makes the most sense for those prioritizing extensive storage that blends well with a stylish outdoor aesthetic.
Pros:- Massive 150-gallon capacity for extensive storage
- Dual-purpose as seating for two with a stylish look
- Resistant to weather, rust, and dents for long-term durability
- Automatic lid mechanism for easy access
Cons:- Heavy when filled, complicating relocation
- Requires ample space for full lid extension
- Limited color options with a wood-plank look
Best for: Families or individuals needing large-capacity outdoor storage with seating that complements a stylish, modern garden or patio.
Not ideal for: Buyers with limited space or who need a lightweight, highly portable bench for frequent repositioning.
- Capacity:150 gallons
- Exterior Dimensions:61” L x 28.34” W x 25.19” H
- Interior Dimensions:56” L x 24.6” W x 22.8” H
- Material:Resin
- Color:Wood-plank look
Our verdict“This storage bench is ideal for those needing high-volume, weatherproof outdoor storage with a stylish appearance and seating for two.”

How We Picked
Products were evaluated based on their waterproof performance, durability, ease of use, security features, and overall build quality. We prioritized models with proven weather resistance, sturdy construction, and practical designs that balance capacity with ease of access. The ranking reflects a combination of value, functionality, and user convenience, aiming to highlight options suitable for different budgets and needs. Features like lockability, material quality, and size were key factors in determining the best overall and specialty picks.| outdoor storage benches waterproof | Material |
|---|---|
| Flamaker 80 Gallon Storage Ben | High-density resin |
| 120 Gallon Outdoor Storage Ben | Weather-resistant resin |
| Greesum 80 Gallon Outdoor Stor | Polypropylene |
| Storage Bench Outdoor Deck Box | Polypropylene resin |
| Devoko 80 Gallon Waterproof Lo | — |
| 80 Gallon Lockable Deck Bench | Weather-resistant resin |
| Keter Westwood 150 Gallon Outd | Resin |
Factors to Consider When Choosing Best Outdoor Storage Benches Waterproof
Selecting the right waterproof outdoor storage bench involves considering several factors that influence durability, security, and convenience. Beyond basic waterproofing, think about how much storage you need, whether security is a priority, and how the bench will fit within your outdoor space. Making informed choices can prevent early wear, ensure safe storage, and improve the overall look of your yard or patio.Capacity and Size
Determine how much storage space you require—larger benches can hold garden tools, cushions, and pool accessories but may be cumbersome to move. Conversely, compact models are easier to place and reposition but might limit what you can store. Consider your outdoor space dimensions and whether you prefer a multi-functional piece that doubles as seating. Remember, bigger isn’t always better if it overcrowds your area or exceeds your storage needs.
Material and Waterproofing
Most waterproof benches are made from resin, plastic, or heavy-duty polymer blends, which resist water and UV damage. However, the quality of the material impacts longevity—cheaper plastics may crack or fade faster. Look for UV-resistant coatings and reinforced hinges to prevent deterioration over time. A well-made material ensures that your investment remains protected against rain, snow, and sun exposure without frequent maintenance.
Locking and Security Features
If you plan to store valuables or expensive equipment, locking features become more important. Not all waterproof benches include locks, so verify this feature if security matters. Keep in mind that locks on plastic or resin models may not be highly resistant against tampering. For maximum security, consider models with heavy-duty locks or those designed with reinforced locking points, especially in areas prone to theft.
Ease of Access and Usability
Look for designs that allow easy opening, whether via hinged lids, sliding panels, or removable tops. Heavy or overly complex lids can diminish usability, especially if you need quick access. Additionally, consider whether the bench’s weight makes it difficult to move or reposition. A balance between sturdy construction and manageable weight ensures that the bench remains practical for everyday use.
Price and Value
Price points reflect features, materials, and capacity—premium models often offer additional security and longer lifespan. Budget options might suffice for light seasonal use but could compromise on durability. Carefully weigh the tradeoffs between cost and longevity, and consider whether spending more upfront saves money over time through reduced replacement or maintenance costs. The most suitable choice depends on your specific storage needs and outdoor environment.
Frequently Asked Questions
Are waterproof outdoor storage benches truly waterproof or just water-resistant?
While many outdoor storage benches are labeled waterproof, most are actually water-resistant, meaning they can withstand rain and splashes but may not be completely impervious to prolonged or heavy exposure. The key difference lies in the material and sealing methods—fully waterproof benches typically have sealed seams, tight-fitting lids, and durable materials like resin or plastic designed for continuous outdoor conditions. Understanding this distinction helps in choosing a model that will truly protect your stored items over time, especially in wet climates.
Can I store electronics or other sensitive items inside these waterproof benches?
Storing electronics in outdoor waterproof benches is possible if the product is rated with a high waterproof standard, such as IP65 or higher. However, many benches are designed primarily for garden tools, cushions, or outdoor gear, not delicate electronics. Even with waterproofing, extreme temperature fluctuations and moisture buildup can pose risks. For sensitive items, consider additional protective measures like sealed containers or choosing a model specifically designed for electronic storage with extra sealing features.
How do I maintain the waterproof quality of my outdoor storage bench over time?
Maintenance involves regular cleaning with mild soap and water to remove dirt and prevent mold buildup. Check the seals and hinges periodically for damage or wear, and apply lubrication if needed to keep lids opening smoothly. Avoid using abrasive cleaners or harsh chemicals that can degrade the material. Proper maintenance extends the lifespan of waterproof features, ensuring your storage stays protected against the elements year after year.
Are larger storage benches more prone to damage or difficulty moving?
Yes, larger benches tend to be heavier and less portable, which can make repositioning or relocating more challenging. They are often built with thicker walls and larger capacities, adding to their weight. If you need mobility, look for models with handles or lightweight materials like resin composites. Otherwise, plan to keep larger benches in a permanent outdoor spot to avoid the hassle of frequent moving.
Is it worth paying extra for models with locks and security features?
Investing in lockable models makes sense if you plan to store valuable items or live in an area with higher theft risk. Locks add a layer of security but also increase the cost and sometimes complicate access. If security is less of a concern, a basic waterproof bench may suffice, saving you money. Always consider whether the added security features align with your storage needs and outdoor environment to make a cost-effective decision.
Conclusion
For most homeowners seeking a reliable, durable outdoor storage solution, the Flamaker 80 Gallon Storage Bench offers a great balance of waterproofing, usability, and value. Those with larger storage needs or who prioritize security might prefer the Keter Westwood 150 Gallon Box for its capacity and lockable features. Beginners or those on a budget should consider more affordable resin options, while garden enthusiasts with a focus on longevity may opt for premium models with reinforced materials. Evaluate your specific outdoor environment, storage needs, and budget to choose the best waterproof outdoor storage bench for your space.
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