Among the 12 garden outdoor storage bins in this roundup, the 150 Gallon Large Waterproof Resin Deck Box is my best overall pick because it combines useful family-size capacity with a lockable lid and a footprint that remains more manageable than the 270- and 320-gallon models. The Greesum 82 Gallon Storage Box is the stronger value choice for buyers who want UV resistance and everyday versatility without paying for surplus capacity, while the Keter Kentwood 50 Gallon Box stands out for compact patios because it also works as a side table. The main choice is between a smaller bin that is easier to place and a larger model capable of holding bulky cushions, pool equipment, or long-handled tools. Buyers also need to distinguish weather-resistant resin and lock compatibility from true security, reliable seals, and strong lid hardware. Continue reading for my full breakdown of the capacity tiers, practical tradeoffs, and buyer types each option serves best.
Complete the kit
Key Takeaways
- The 150-gallon class offers the best balance for most households: it can accommodate bulky cushions and garden supplies without demanding the space required by a 270– or 320-gallon box.
- The two 320-gallon models serve a narrow need; their immense capacity suits full furniture cushion sets, but placement, assembly, and access become bigger concerns.
- Compact models are not interchangeable: the Keter Kentwood 50 Gallon doubles as furniture, while the two 35-gallon boxes favor small-item or parcel storage.
- The Greesum 82 Gallon has the strongest value proposition because its listed UV resistance, lockable lid, and middle-range capacity cover more everyday needs than a basic small bin.
- A lockable lid is only a starting point; hinge strength, panel rigidity, padlock quality, floor design, and placement determine how well a bin protects its contents.
| 150-Gallon Waterproof Resin Outdoor Storage Box |  | Best Overall | Capacity: 150 gallons | Material: Resin | Length: 53.94 inches | VIEW LATEST PRICE | See Our Full Breakdown |
| Greesum 82-Gallon Waterproof Outdoor Storage Box |  | Best Value Pick | Capacity: 82 gallons | Material: Resin | Color: Black | VIEW LATEST PRICE | See Our Full Breakdown |
| Keter Kentwood 50-Gallon Outdoor Storage Box and Side Table |  | Best for Easy Assembly | Capacity: 50 gallons | Material: Weather-resistant resin | Color: Grey | VIEW LATEST PRICE | See Our Full Breakdown |
| 320-Gallon Waterproof Lockable Resin Outdoor Storage Box |  | Best High-Capacity Pick | Capacity: 320 gallons | Material: Weather-resistant resin | Length: 67.72 inches | VIEW LATEST PRICE | See Our Full Breakdown |
| 45-Gallon Grey Waterproof Outdoor Deck Box |  | Best Compact Pick | Capacity: 45 gallons | Material: Resin | Color: Grey | VIEW LATEST PRICE | See Our Full Breakdown |
| Keter Marvel 71 Gal Outdoor Storage Box |  | Best Overall | 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 | VIEW LATEST PRICE | See Our Full Breakdown |
| 35 Gallon Waterproof Outdoor Storage Box with Lockable Lid |  | Best for Package Delivery | Capacity: 35 gallons (approximately 132 liters) | Dimensions: 22 in. L x 17.1 in. W x 20.9 in. H | Material: Resin | VIEW LATEST PRICE | See Our Full Breakdown |
| Fancyango 150 Gallon Waterproof Outdoor Deck Box |  | Best 150-Gallon Pick | Capacity: 150 gallons | Dimensions: 54.25 in. L x 26.5 in. W x 24.21 in. H | Material: Resin | VIEW LATEST PRICE | See Our Full Breakdown |
| 35 Gallon Outdoor Deck Box Lockable Waterproof Storage Container |  | Best Compact Load-Rated Pick | Listed Capacity: 30 gallons in supplied specifications; title states 35 gallons | Dimensions: 22.09 in. L x 17.09 in. W x 20.87 in. H | Materials: Iron, polypropylene, and wood | VIEW LATEST PRICE | See Our Full Breakdown |
| 320 Gallon Waterproof Lockable Resin Outdoor Storage Box |  | Best Maximum-Capacity Pick | Capacity: 320 gallons | Dimensions: 67.72 in. L x 32.2 in. W x 33.66 in. H | Item Weight: 68.3 lbs | VIEW LATEST PRICE | See Our Full Breakdown |
| 270 Gallon Outdoor Storage Box |  | Best for Cushion-Heavy Patios | Capacity: 270 gallons | Material: Resin | Color: Grey | VIEW LATEST PRICE | See Our Full Breakdown |
| Devoko 100 Gallon Waterproof Resin Deck Box |  | Best Storage Bench | Capacity: 100 gallons | Inner Dimensions: 47.8″ L x 21.4″ W x 24.6″ H | Material: Poly resin | VIEW LATEST PRICE | See Our Full Breakdown |
| garden outdoor storage bin | Capacity | Material | Color | Security |
|---|---|---|---|---|
| 150-Gallon Waterproof Resin Ou | 150 gallons | Resin | Black | — |
| Greesum 82-Gallon Waterproof O | 82 gallons | Resin | Black | Lockable holes |
| Keter Kentwood 50-Gallon Outdo | 50 gallons | Weather-resistant resin | Grey | Lockable lid |
| 320-Gallon Waterproof Lockable | 320 gallons | Weather-resistant resin | — | Lockable lid |
| 45-Gallon Grey Waterproof Outd | 45 gallons | Resin | Grey | Lockable lid |
| Keter Marvel 71 Gal Outdoor St | 71 gallons | Resin | Taupe | — |
| 35 Gallon Waterproof Outdoor S | 35 gallons (approximately 132 liters) | Resin | — | — |
| Fancyango 150 Gallon Waterproo | 150 gallons | Resin | Striped Black | — |
| 35 Gallon Outdoor Deck Box Loc | — | — | Black | — |
| 320 Gallon Waterproof Lockable | 320 gallons | Resin | Black | — |
| 270 Gallon Outdoor Storage Box | 270 gallons | Resin | Grey | Lockable lid |
| Devoko 100 Gallon Waterproof R | 100 gallons | Poly resin | — | Lockable lid |
More Details on Our Top Picks
150-Gallon Waterproof Resin Outdoor Storage Box
I rank this 150-gallon resin box first because it balances useful capacity, weather protection, and a footprint that remains manageable on many patios. It can hold bulky cushions and long-handled garden supplies that would overwhelm the Keter Kentwood 50 Gallon, yet it is far less imposing than the 320 Gallon Outdoor Storage Box. The lockable lid adds a practical barrier against casual access, while the rectangular shape makes the interior easier to organize than bins with heavily tapered walls. Its modern black finish also blends readily with outdoor furniture. The compromise is mobility: once loaded, a box this size will be difficult to reposition. Resin can also fade or weaken after years of strong sun, so buyers prioritizing maximum longevity may want a more heavily specified UV-protected model.
Pros:- 150-gallon capacity accommodates bulky cushions and mixed garden equipment
- Waterproof, weather-resistant resin protects contents outdoors
- Lockable lid adds security for shared or accessible yards
- Modern rectangular design fits neatly against patio walls
Cons:- Becomes difficult to move after it is loaded
- Resin may deteriorate or fade under prolonged direct sunlight
- Black is the only stated color option
Best for: Households storing several patio cushions, garden tools, and pool supplies in one medium-to-large deck box
Not ideal for: Renters or frequent patio rearrangers who need a lightweight bin that remains easy to move when full
- Capacity:150 gallons
- Material:Resin
- Length:53.94 inches
- Width:25.98 inches
- Height:24.21 inches
- Color:Black
- Shape:Rectangular
- Closure:Lockable lid
Our verdict“This is my all-around pick for buyers who need substantial storage without committing to an oversized 320-gallon box.”
Greesum 82-Gallon Waterproof Outdoor Storage Box
The Greesum 82 Gallon earns my value slot by combining weather resistance, UV protection, lockable holes, and furniture-like versatility at a practical middle capacity. Compared with the Keter Kentwood 50 Gallon, it offers noticeably more room for cushions and pool equipment without approaching the space demands of the 150-gallon box. Its ability to work as a seat or occasional table is useful on patios where every piece must serve more than one purpose. At 30 pounds before loading, it should feel substantial but may not be effortless to carry alone. Assembly is another dividing point: unlike the Kentwood’s tool-free setup, this model requires assembly with the supplied tools and manual. The UV-resistant resin strengthens its outdoor case, though the product data does not state a seating weight limit.
Pros:- 82-gallon size provides useful capacity without dominating a patio
- Weatherproof and UV-resistant resin suits exposed outdoor placement
- Can double as seating or an occasional table
- Lockable holes allow buyers to add their own security
Cons:- Assembly may be more involved than the tool-free Keter Kentwood
- No seating weight capacity is provided
- Actual color may differ slightly from product photography
Best for: Budget-minded patio owners who want mid-size storage that can also function as occasional seating or a table
Not ideal for: Buyers wanting tool-free setup or verified load ratings for frequent use as a bench
- Capacity:82 gallons
- Material:Resin
- Color:Black
- Package Length:46 inches
- Package Width:23 inches
- Package Height:4.5 inches
- Package Weight:30 pounds
- Weather Protection:Weatherproof and UV resistant
- Security:Lockable holes
Our verdict“I would choose this for affordable mid-size storage when UV resistance and multi-purpose use matter more than tool-free assembly.”
Keter Kentwood 50-Gallon Outdoor Storage Box and Side Table
I give the Keter Kentwood 50 Gallon the easiest-assembly role because its tool-free construction is rated for under ten minutes, removing a common obstacle with large resin bins. Its compact capacity suits hand tools, pool toys, and a modest cushion set, while the lid can provide extra seating or side-table space. Compared with the Greesum 82 Gallon, the Kentwood sacrifices 32 gallons but is better matched to small decks and buyers who dislike hardware-heavy setup. Weather-resistant resin supports year-round placement, and a lockable lid adds flexibility in shared areas. The limitations are clear: it will not swallow bulky furniture cushions like the 150-gallon model, and a lock is not supplied. Buyers planning regular seating should also check their intended load because no weight rating appears in the provided specifications.
Pros:- Tool-free assembly takes under ten minutes
- 50-gallon format fits smaller patios and balconies
- Weather-resistant resin supports outdoor use
- Doubles as seating or a patio side table
Cons:- Capacity is too limited for large cushion collections
- Padlock is not included
- No seating weight rating is stated
Best for: Apartment residents and small-patio owners who want fast, tool-free setup for a modest collection of outdoor items
Not ideal for: Families storing full-size cushion sets or buyers who need an included lock and stated seating load limit
- Capacity:50 gallons
- Material:Weather-resistant resin
- Color:Grey
- Assembly Method:Tool-free
- Assembly Time:Under 10 minutes
- Security:Lockable lid
- Furniture Function:Side table and extra seating
Our verdict“This is my pick for small-space buyers who value quick assembly more than maximum storage volume.”
320-Gallon Waterproof Lockable Resin Outdoor Storage Box
This 320-gallon outdoor storage box sits at the top of my capacity ranking, with enough room for furniture cushions, garden equipment, and pool accessories that would require several smaller bins. It more than doubles the volume of the 150-gallon model, while a hydraulic lift should make its large lid easier to control during loading. Side handles help with initial placement, and the 1,000-pound weight rating gives it credible bench potential. That scale creates its biggest drawbacks: at nearly 68 inches long and more than 32 inches deep, it demands substantial patio space and will be hard to move after filling. The supplied information also calls the lid lockable without explaining the locking hardware. I rank it below the overall pick for broad appeal, but above every smaller option for sheer consolidation.
Pros:- Massive 320-gallon capacity consolidates several categories of outdoor gear
- Hydraulic lift supports easier access beneath the oversized lid
- Weather-resistant, UV-protected resin is intended for exposed areas
- 1,000-pound weight capacity supports use as a storage bench
Cons:- Large footprint can overwhelm compact patios
- Likely requires assistance to move, especially after loading
- Locking mechanism details are not specified
Best for: Large households that want one bin for multiple furniture cushion sets, pool gear, and bulky garden equipment
Not ideal for: Small-deck owners or renters who need a storage box that can be repositioned without assistance
- Capacity:320 gallons
- Material:Weather-resistant resin
- Length:67.72 inches
- Width:32.2 inches
- Height:33.66 inches
- Weight Capacity:1,000 pounds
- Lid Mechanism:Hydraulic lift
- Mobility Feature:Side handles
- Security:Lockable lid
Our verdict“I recommend this only when maximum capacity and bench strength outweigh the need for easy placement or a compact footprint.”
45-Gallon Grey Waterproof Outdoor Deck Box
I place this 45-gallon deck box in the compact slot because it targets buyers storing a few cushions, small gardening tools, or pool accessories rather than an entire patio setup. It is five gallons smaller than the Keter Kentwood, but its stated lockable design and easy-to-move format make it appealing for balconies, porches, and tight seating areas. The grey resin body can double as a side table or occasional seat, letting one modest footprint handle storage and furniture duties. Compared with the Greesum 82 Gallon, it gives up substantial volume in exchange for easier positioning. Weatherproof construction supports outdoor placement, though the data does not mention UV resistance or a seating weight limit. A padlock is also absent, so the lockable lid requires another purchase before it provides real security.
Pros:- Compact 45-gallon size suits balconies and narrow patios
- Weatherproof resin protects everyday outdoor supplies
- Lockable lid supports added security with a separate padlock
- Can serve as a side table or occasional yard seat
Cons:- Too small for bulky cushion sets or long garden tools
- Padlock is not included
- No UV-resistance or seating weight rating is stated
Best for: Balcony and compact-patio owners storing small tools, pool accessories, or a limited set of cushions
Not ideal for: Households with bulky furniture cushions or buyers seeking documented UV protection and seating capacity
- Capacity:45 gallons
- Material:Resin
- Color:Grey
- Weather Protection:Weatherproof
- Security:Lockable lid
- Padlock:Not included
- Assembly:Easy assembly
- Furniture Function:Side table or yard seat
Our verdict“I favor this model for tight outdoor spaces where mobility and furniture-like utility matter more than high capacity.”
Keter Marvel 71 Gal Outdoor Storage Box
I rank the Keter Marvel 71 Gal Outdoor Storage Box as the best all-around choice because it balances usable garden storage with a 485-pound seating capacity. Its 45.9-inch width accommodates tools, pool gear, and several cushions without occupying as much ground as the Fancyango 150 Gallon box. The tool-free assembly also suits buyers who want a straightforward setup. Compared with the smaller 35 Gallon Waterproof Outdoor Storage Box, the Marvel provides roughly twice the capacity and far stronger seating support. The compromise is scale: 71 gallons will not hold a full large cushion set, while the taupe resin finish lacks the warmth of timber. I would choose it for a typical patio where storage, seating, and manageable dimensions matter equally, but not for hiding bulky furniture covers or oversized equipment.
Pros:- 485-pound weight capacity makes the lid useful as substantial extra seating
- 71-gallon interior balances storage room with a manageable patio footprint
- Weather-resistant resin does not require the upkeep associated with wood
- Tool-free construction keeps initial setup simple
Cons:- Too small for many complete outdoor furniture cushion sets
- Resin appearance may feel less refined than real wood
- Narrow 15.6-inch interior depth limits bulky-item placement
Best for: Households seeking mid-sized garden storage that can also serve as dependable seating for adults
Not ideal for: Owners of large patio furniture sets who need one bin for numerous full-size cushions
- 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
- Color:Taupe
- Weight Capacity:485 lbs
- Assembly:Tool-free
Our verdict“This is my pick for buyers who want the strongest balance of practical capacity, adult seating, and space-efficient dimensions.”
35 Gallon Waterproof Outdoor Storage Box with Lockable Lid
The 35 Gallon Waterproof Outdoor Storage Box makes the most sense beside a door, on a small balcony, or in a narrow garden corner. I give it the package-delivery role because its lockable lid and compact 22-inch length are better matched to parcels and hand tools than the much larger Fancyango 150 Gallon box. Waterproof, UV-resistant resin should reduce exposure to rain and sun, while the claimed 15-minute tool-free setup adds convenience. Its 110-pound support rating is less persuasive: unlike the Keter Marvel and its 485-pound limit, this model is not suitable as general adult seating. A padlock also costs extra, and 35 gallons fills quickly once cushions enter the mix. I would favor it for contained, accessible storage rather than as the main bin for a furnished patio.
Pros:- Compact footprint fits porches, balconies, and narrow garden areas
- Lock hole adds a security option for parcels and small valuables
- Waterproof and UV-resistant resin is intended for year-round exposure
- Tool-free assembly is rated at approximately 15 minutes
Cons:- 110-pound support limit is too low for most adult seating
- Padlock must be purchased separately
- 35-gallon capacity is restrictive for bulky cushions or long tools
Best for: Apartment residents and homeowners who want a compact, lock-ready box for delivered parcels, small tools, or children’s outdoor items
Not ideal for: Families needing adult bench seating or enough room for a complete patio cushion collection
- Capacity:35 gallons (approximately 132 liters)
- Dimensions:22 in. L x 17.1 in. W x 20.9 in. H
- Material:Resin
- Weight Support:Up to 110 lbs
- Weather Resistance:Waterproof and UV-resistant
- Assembly:Tool-free, approximately 15 minutes
- Locking:Lockable lid; padlock not included
Our verdict“I recommend this model for small-space buyers who prioritize protected parcel and tool storage over seating strength or high capacity.”
Fancyango 150 Gallon Waterproof Outdoor Deck Box
I place the Fancyango 150 Gallon Outdoor Deck Box between everyday patio bins and extra-large storage units. Its capacity is more than double that of the Keter Marvel, making it better for bulky cushions, pool supplies, and several garden tools, yet its 54.25-inch length remains easier to position than the 67.72-inch 320 Gallon Waterproof Lockable Resin box. The striped black resin and weather-resistant build favor utility over a furniture-like appearance. A lock hole is helpful, although the required padlock is not supplied. The claimed bench function also lacks a stated weight limit, so I would not treat it like the Keter Marvel’s clearly rated seat. Once loaded, mobility will be limited, and the single dark color may absorb heat in full sun. This is a capacity-led choice for buyers who are not ready to surrender space to a 320-gallon unit.
Pros:- 150-gallon volume handles substantially more bulky gear than mid-sized boxes
- Smaller footprint than the 320-gallon option
- Weatherproof and UV-resistant resin suits exposed patios
- Lock hole supports padlock security
Cons:- No bench weight rating is provided
- Padlock is not included
- Large loaded box may be difficult to move
Best for: Households storing multiple patio cushions, pool accessories, and garden supplies in one medium-large bin
Not ideal for: Buyers who need a verified adult seating rating or expect to reposition a loaded box regularly
- Capacity:150 gallons
- Dimensions:54.25 in. L x 26.5 in. W x 24.21 in. H
- Material:Resin
- Color:Striped Black
- Weather Resistance:Waterproof and UV-resistant
- Locking:Lock hole; padlock not included
- Suggested Uses:Storage bench, side table, or garden organizer
Our verdict“This is my choice for buyers who need a meaningful capacity upgrade without committing to the footprint of a 320-gallon container.”
35 Gallon Outdoor Deck Box Lockable Waterproof Storage Container
The 35 Gallon Outdoor Deck Box earns its place through a compact body paired with a listed 230-pound maximum weight recommendation. That figure is more than twice the 110-pound support rating of the similarly sized 35 Gallon Waterproof Outdoor Storage Box, although the product data does not clarify whether it applies specifically to lid seating. Its iron, polypropylene, and wood material listing also separates it from the all-resin alternatives, but buyers receive little detail about how those materials are distributed. I would treat the capacity carefully: the title says 35 gallons while the supplied specification says 30 gallons. Either way, this is storage for hand tools, watering accessories, or small deliveries rather than lounge cushions. Waterproof construction, a lockable lid, and tool-free assembly are useful, but the absent padlock and conflicting volume figures keep it below the more clearly documented compact option.
Pros:- Small dimensions suit balconies and tight patio corners
- 230-pound maximum weight recommendation exceeds the other 35-gallon model’s listed support
- Waterproof and weatherproof construction protects everyday garden items
- Tool-free assembly reduces setup effort
Cons:- Capacity conflicts between the 35-gallon title and 30-gallon specification
- Product data does not clarify whether the 230-pound rating applies to lid seating
- Padlock is not included
Best for: Space-limited gardeners who want a small lock-ready container with a higher listed load recommendation
Not ideal for: Buyers who need verified capacity, clearly documented seating performance, or room for bulky patio textiles
- Listed Capacity:30 gallons in supplied specifications; title states 35 gallons
- Dimensions:22.09 in. L x 17.09 in. W x 20.87 in. H
- Materials:Iron, polypropylene, and wood
- Color:Black
- Style:Modern
- Maximum Weight Recommendation:230 lbs
- Weather Resistance:Waterproof and weatherproof
- Locking:Lockable; lock not included
Our verdict“I would choose this for compact, load-rated storage only if the capacity discrepancy and unclear seating claim are acceptable.”
320 Gallon Waterproof Lockable Resin Outdoor Storage Box
For buyers trying to consolidate an entire patio’s loose gear, I rank the 320 Gallon Waterproof Lockable Resin Outdoor Storage Box as the maximum-capacity choice. It offers more than twice the volume of the Fancyango 150 Gallon box, so large cushion collections, pool equipment, and gardening supplies have a better chance of fitting together. Its waterproof, UV-protected resin and lockable latches support exposed placement, while side handles help when the box is empty. That scale creates the main drawbacks: at 67.72 inches long and 68.3 pounds, it needs a generous, level site and may require two people to position. Once packed, the handles will not make relocation easy. The single undivided compartment can also bury small tools beneath cushions. I would reserve it for high-volume storage rather than choose it automatically for an average garden.
Pros:- 320-gallon capacity accommodates very large outdoor collections
- Waterproof, weather-resistant, and UV-protected resin suits exposed locations
- Lockable latches add a security option
- Tool-free snap-together assembly avoids specialized equipment
Cons:- Large footprint requires substantial clear patio or garden space
- 68.3-pound empty weight and high loaded weight hamper movement
- Single compartment makes small-item organization difficult
Best for: Large households that need one weather-resistant container for extensive cushion sets, pool equipment, and garden gear
Not ideal for: Small-patio owners or gardeners who need divided organization and frequent mobility
- Capacity:320 gallons
- Dimensions:67.72 in. L x 32.2 in. W x 33.66 in. H
- Item Weight:68.3 lbs
- Material:Resin
- Color:Black
- Maximum Weight Recommendation:800 lbs
- Weather Resistance:Waterproof, weather-resistant, and UV-protected
- Assembly:Tool-free snap-together construction
- Configuration:Single rectangular compartment with side handles
Our verdict“This is my recommendation for maximum-volume storage when footprint and limited internal organization are acceptable compromises.”
270 Gallon Outdoor Storage Box
I place the 270 Gallon Outdoor Storage Box near the top for households storing several furniture cushions, bulky pool floats, and long-handled garden tools together. Compared with the Fancyango 150 Gallon Deck Box, its extra 120 gallons reduce the need to divide gear between containers; unlike the 320 Gallon Outdoor Storage Box, it sacrifices some capacity for a less imposing footprint. The waterproof, UV-resistant resin shell suits exposed patios, while the lockable lid adds basic protection around shared yards. I would choose it for storage rather than seating, since no bench weight rating is supplied. Buyers also need a settled location: this box can become difficult to reposition when full, assembly may require tools, and its plain grey design favors utility over decorative appeal.
Pros:- 270-gallon interior accommodates bulky cushions, pool floats, and garden equipment
- Waterproof, UV-resistant resin supports year-round outdoor placement
- Lockable lid adds basic security in shared or accessible gardens
- Wide-opening hinged lid provides easier access to large items
Cons:- May require tools and more effort to assemble than smaller deck boxes
- Large size and loaded weight make repositioning difficult
- No stated seating capacity, limiting its value as patio furniture
Best for: Households with large cushion sets, pool equipment, and garden tools that need to share one weather-resistant container
Not ideal for: Renters or patio owners who frequently rearrange furniture, since the box becomes difficult to move when loaded
- Capacity:270 gallons
- Material:Resin
- Color:Grey
- Water Protection:Waterproof
- UV Protection:UV-resistant
- Security:Lockable lid
- Lid Design:Wide-opening lid with sturdy hinges
Our verdict“I recommend this box for buyers who need far more room than a 150-gallon model but do not want the full bulk of a 320-gallon container.”
Devoko 100 Gallon Waterproof Resin Deck Box
I rank the Devoko 100 Gallon Deck Box as the strongest dual-purpose choice because its lid supports two people and up to 500 pounds. That makes it more useful in a compact seating area than the 270 Gallon Outdoor Storage Box, which offers much greater storage but has no stated bench rating. The Devoko still provides enough room for a moderate cushion set, hand tools, or pool supplies, and its weather-resistant poly-resin construction avoids the upkeep associated with wood. Its rattan-style exterior also feels more furniture-like than a plain utility bin. I would skip it for oversized sectional cushions, though, because 100 gallons fills quickly. The box can also be awkward to move when loaded, and buyers who dislike molded rattan may prefer the simpler Keter Kentwood 50 Gallon design.
Pros:- 500-pound seating rating turns the lid into a practical two-person bench
- 100-gallon capacity suits everyday cushions, hand tools, and pool supplies
- Weather-resistant poly resin requires little routine maintenance
- Lockable lid supports use in shared gardens and accessible patios
Cons:- Capacity is insufficient for large furniture sets or bulky pool equipment
- Can be difficult to relocate once fully loaded despite the side handles
- Molded rattan styling may clash with minimalist outdoor furniture
Best for: Small-patio households that want one container to store everyday outdoor gear and provide seating for two adults
Not ideal for: Owners of large sectional cushion sets, since the 100-gallon capacity is modest beside 150-, 270-, and 320-gallon alternatives
- Capacity:100 gallons
- Inner Dimensions:47.8″ L x 21.4″ W x 24.6″ H
- Material:Poly resin
- Exterior Design:Rattan-style finish
- Seating Capacity:2 persons
- Seating Weight Capacity:500 lbs
- Security:Lockable lid
- Weather Protection:Waterproof and weather-resistant
Our verdict“I would pick the Devoko when usable seating matters as much as storage, but not when maximum internal volume drives the purchase.”
How We Picked
I ranked these garden outdoor storage bins by examining usable capacity, weather-management features, footprint, access, construction, and suitability for common outdoor items. Capacity received more weight when it matched a realistic use rather than simply producing the largest number: 71- to 150-gallon boxes work for more households, while 270- and 320-gallon models are better reserved for oversized cushion collections or shared equipment. I also gave credit to UV-resistant resin, lockable lids, furniture-style versatility, and proportions that make loading less awkward.
My ordering reflects buyer usefulness rather than capacity alone. The 150 Gallon Large Waterproof Resin Deck Box ranks first because it occupies the most broadly useful middle ground, while the Greesum 82 Gallon follows as the value-led choice and the Keter Kentwood 50 Gallon earns its place through compact versatility. The Keter Marvel 71 Gallon and Devoko 100 Gallon cover approachable everyday storage, whereas the 270- and 320-gallon boxes rank as specialized high-capacity options. I treated waterproof and lockable claims as benefits, but not as proof of complete water exclusion or theft protection, since installation, lid fit, hardware, and the buyer’s padlock still affect real-world protection.
| garden outdoor storage bin | Material | Color | Security |
|---|---|---|---|
| 150-Gallon Waterproof Resin Ou | Resin | Black | — |
| Greesum 82-Gallon Waterproof O | Resin | Black | Lockable holes |
| Keter Kentwood 50-Gallon Outdo | Weather-resistant resin | Grey | Lockable lid |
| 320-Gallon Waterproof Lockable | Weather-resistant resin | — | Lockable lid |
| 45-Gallon Grey Waterproof Outd | Resin | Grey | Lockable lid |
| Keter Marvel 71 Gal Outdoor St | Resin | Taupe | — |
| 35 Gallon Waterproof Outdoor S | Resin | — | — |
| Fancyango 150 Gallon Waterproo | Resin | Striped Black | — |
| 35 Gallon Outdoor Deck Box Loc | — | Black | — |
| 320 Gallon Waterproof Lockable | Resin | Black | — |
| 270 Gallon Outdoor Storage Box | Resin | Grey | Lockable lid |
| Devoko 100 Gallon Waterproof R | Poly resin | — | Lockable lid |
Factors to Consider When Choosing Garden Outdoor Storage Bins
The best garden bin is not automatically the largest one. I would start with the items being stored, measure their widest dimensions, and then match that load to a realistic placement area. The following checks help separate a convenient outdoor organizer from a box that becomes awkward, damp, or underused.
Match Capacity to the Shape of Your Gear
Gallon ratings describe volume, but interior shape often matters more when storing rigid tools or long cushions. A 35- to 50-gallon box makes sense for hand tools, watering accessories, small deliveries, or chair pads, while 71- to 100-gallon models suit mixed household supplies. The 150-gallon tier is better for several seat cushions or a combination of pool and gardening gear. Moving to 270 or 320 gallons can accommodate large cushion sets, yet those boxes may be too deep for convenient retrieval of small objects. I recommend measuring the longest cushion or tool before comparing capacity labels, since exterior molding and lid mechanisms can reduce usable interior dimensions. Several organized medium bins may work better than one cavernous container when the contents belong to different activities.
Plan the Footprint and Lid Clearance
A storage box needs room for both its base and its open lid, so placement measurements should include clearance behind and above the unit. Large 270- and 320-gallon boxes can dominate a narrow patio and may interfere with doors, railings, or walking routes. Compact options such as the Keter Kentwood can earn their floor space by doubling as a table, making them better suited to balconies and small seating areas. A level, firm surface also helps the lid align and keeps resin panels from twisting under a heavy load. I would avoid placing a box directly beneath roof runoff or where sprinklers repeatedly spray the lid seam. Before ordering, use tape or cardboard to mark the proposed footprint; a simple full-size outline exposes placement problems that product photos tend to hide.
Read Weather Claims Carefully
Waterproof, water-resistant, and UV-resistant describe different forms of protection, and a product title rarely tells the entire story. Resin does not absorb water like unfinished wood, but rain can still enter through lid gaps, handles, vents, or distorted panels. UV resistance matters in exposed locations because prolonged sunlight can fade surfaces and contribute to brittleness. A raised or molded floor is useful when water collects on the patio, although setting the box on pavers can add another barrier against standing moisture. I would still place fabrics in sealed inner bags if they must remain dry through wind-driven rain or winter storage. Sensible positioning and secondary protection are more dependable than relying on a single weather claim.
Separate Child Safety From Theft Deterrence
A lockable lid does not make a resin box a safe. On most deck boxes, the lock passes through molded loops that can discourage casual access but may not resist cutting, prying, or damage to the surrounding panel. That level of deterrence is useful for keeping children away from fertilizers or stopping opportunistic tampering, provided the latch and padlock fit closely. Expensive power tools, chemicals, and hazardous garden products belong in more secure storage with stronger construction and controlled access. Lid supports also deserve attention because a heavy lid that falls suddenly can injure fingers, especially around children. I would treat hinge design, lid control, and location as part of the safety decision rather than focusing only on the padlock hole.
Know When Paying More Makes Sense
Extra spending is easier to justify when it improves panel rigidity, hardware, lid assistance, or furniture functionality, not merely the printed capacity. A small box used beside patio seating benefits from a finished appearance and a lid strong enough for its stated secondary purpose. A frequently opened family box deserves smooth hinges and an assisted lid because those parts receive more wear than the walls. By contrast, a basic bin can be adequate for light plastic toys or seasonal supplies stored under a covered porch. Oversized boxes may also carry hidden costs through harder assembly, added foundation work, and wasted space. I would pay more for better daily usability and construction before paying for gallons that will remain empty.
Frequently Asked Questions
What Size Outdoor Storage Bin Do I Need for Patio Cushions?
I would measure the longest, widest, and thickest cushion stack rather than choose by gallon rating alone. A 50- to 100-gallon box may hold chair pads or a small seating set, while a 150-gallon model is more practical for several deep cushions. Full sectional or sofa sets can justify a 270- or 320-gallon box, provided its internal dimensions match the longest cushion. Avoid compressing cushions tightly because trapped moisture and poor airflow can encourage odors or mildew. For most standard patio sets, 150 gallons is the most flexible starting point in this lineup.
Can I Leave a Resin Storage Box Outside All Winter?
Most resin boxes are intended for outdoor placement, but winter success depends on drainage, lid fit, and snow load. I would empty standing water nearby, raise the box slightly if the site floods, and check that the lid closes without warped panels or trapped debris. Fabrics should be fully dry and sealed inside protective bags before long-term storage. Heavy snow should not be allowed to accumulate beyond the lid’s rated load, and freezing conditions can make some plastics less forgiving of impacts. A sheltered position gives better protection than material alone.
Is One 320-Gallon Box Better Than Two Smaller Bins?
A single 320-gallon box works well for one large category of bulky items, such as a complete cushion set. Two smaller bins are easier to position and let me separate chemicals, tools, toys, or pool supplies, reducing the need to dig through mixed contents. Smaller boxes can also distribute weight across the patio and remain usable if one lid or hinge needs repair. The large box may cost less than buying two premium units, but it requires a broad level base and more assembly room. I would choose one large box for bulky uniform gear and separate boxes for mixed everyday storage.
Are Lockable Resin Deck Boxes Secure Enough for Power Tools?
Lockable resin boxes provide basic deterrence rather than high-security storage. A padlock may stop casual opening, yet molded loops, hinges, and plastic panels can remain vulnerable to determined entry. I would not leave expensive power tools in an exposed garden box overnight unless the box sits inside a secured area or is backed by stronger site security. These locks are better suited to keeping children away from ordinary supplies or discouraging casual tampering. For valuable equipment, a reinforced shed or metal cabinet is the safer choice.
Should I Choose a Compact Box That Doubles as Patio Furniture?
A furniture-style box such as the Keter Kentwood 50 Gallon makes sense when patio space is limited and the stored items are relatively small. Its second function can justify the footprint beside a chair, but the compact interior will not replace a 100- or 150-gallon cushion box. Check the stated weight rating before anyone sits on a storage box, since side-table styling does not always mean seating strength. Frequent use as a table can also make opening the lid less convenient because drinks and decorations must be moved. I favor this format for balconies, small patios, and accessory storage, not large furniture sets.
Conclusion
For the broadest mix of cushions, garden tools, and pool supplies, my best overall choice is the 150 Gallon Large Waterproof Resin Deck Box; it delivers more useful capacity than the middle-size models without reaching the imposing footprint of the 270- and 320-gallon bins. The Greesum 82 Gallon is my best value pick because its UV-resistant, lockable design covers everyday needs with less unused volume. Beginners should start with the Keter Marvel 71 Gallon, whose manageable size is easier to place, organize, and assemble than the high-capacity choices. For a compact patio, I would choose the Keter Kentwood 50 Gallon, while the 35 Gallon UV-Resistant Box is the better fit for small-item or package storage. Buyers seeking a premium high-capacity solution should choose the 320 Gallon Waterproof Lockable Resin Outdoor Storage Box, and those who want nearly as much room with a smaller step down should favor the 270 Gallon model. The right choice comes down to whether the priority is balanced daily storage, compact versatility, or bulk capacity, with the 150-gallon pick offering the strongest middle ground.
