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# Best Large Outdoor Storage Box: Keter Westwood Wins
- URL: https://usscootermuseum.com/best-large-outdoor-storage-box-homeowners/
- Published: 2026-09-07T07:21:26.000Z
- Updated: 2026-09-07T09:49:27.000Z
- Description: Five deck boxes ranked by capacity, footprint and published warranty, with the pick that fits a typical patio and the upgrade for bigger yards.
- Author: Eli Dixon
- Tags: Garden & Outdoor Living, Outdoor Storage, Patio

The best large outdoor storage box for homeowners is the Keter Westwood 150 Gallon, a resin bench that swallows cushions, pool floats and yard tools and carries a 2-year limited warranty. If you want a taller, black rattan look with a support rod, the ATMELT 160 Gallon is the upgrade. Two-track thinking helps here: capacity above 140 gallons for a full patio set, 78 to 92 gallons for a covered deck or garage corner.

In this guide
1. [Best large outdoor storage box for homeowners at a glance](#best-large-outdoor-storage-box-for-homeowners-at-a-glance)
2. [How I cut the field from 40 listings to five](#how-i-cut-the-field-from-40-listings-to-five)
3. [Gallons on the label vs. what actually fits](#gallons-on-the-label-vs-what-actually-fits)
4. [1\. Keter Westwood 150 Gal Outdoor Storage Box — Best overall](#1-keter-westwood-150-gal-outdoor-storage-box-%E2%80%94-best-overall)
5. [2\. ATMELT 160 Gallon Waterproof Resin Deck Box — Best upgrade](#2-atmelt-160-gallon-waterproof-resin-deck-box-%E2%80%94-best-upgrade)
6. [3\. Keter Kentwood 92 Gal Outdoor Storage Box — Best minimal setup](#3-keter-kentwood-92-gal-outdoor-storage-box-%E2%80%94-best-minimal-setup)
7. [4\. Devoko 78 Gallon Waterproof Resin Deck Box — Best for pros](#4-devoko-78-gallon-waterproof-resin-deck-box-%E2%80%94-best-for-pros)
8. [5\. Greesum 31 Gallon Outdoor Storage Box — Best budget pick](#5-greesum-31-gallon-outdoor-storage-box-%E2%80%94-best-budget-pick)
9. [How much floor space does a 150-gallon box eat?](#how-much-floor-space-does-a-150-gallon-box-eat)
10. [Lockable, waterproof, UV-resistant: what the listings promise](#lockable-waterproof-uv-resistant-what-the-listings-promise)
11. [Which pick fits which yard?](#which-pick-fits-which-yard)
12. [The verdict](#the-verdict)
13. [FAQ](#faq)

## Best large outdoor storage box for homeowners at a glance

| Pick                                                                                                           | Capacity | Footprint                | Warranty       | Price                                                                    |
| -------------------------------------------------------------------------------------------------------------- | -------- | ------------------------ | -------------- | ------------------------------------------------------------------------ |
| **Best overall**[Keter Westwood 150 Gal](https://www.amazon.com/dp/B01HDPY7RG?tag=scootermuseum-20)            | 150 gal  | 10 x 24 x 11.2 in listed | 2-year limited | [Check Price](https://www.amazon.com/dp/B01HDPY7RG?tag=scootermuseum-20) |
| **Best upgrade**[ATMELT 160 Gallon Deck Box](https://www.amazon.com/dp/B0HBBG64CQ?tag=scootermuseum-20)        | 160 gal  | Not listed               | Not listed     | [Check Price](https://www.amazon.com/dp/B0HBBG64CQ?tag=scootermuseum-20) |
| **Best minimal setup**[Keter Kentwood 92 Gal](https://www.amazon.com/dp/B091V3KQXV?tag=scootermuseum-20)       | 92 gal   | 23.2 x 50.4 x 21.2 in    | 2-year limited | [Check Price](https://www.amazon.com/dp/B091V3KQXV?tag=scootermuseum-20) |
| **Best for pros**[Devoko 78 Gallon Deck Box](https://www.amazon.com/dp/B0DWFNFM59?tag=scootermuseum-20)        | 78 gal   | 23 x 46 x 21 in          | Not listed     | [Check Price](https://www.amazon.com/dp/B0DWFNFM59?tag=scootermuseum-20) |
| **Best budget pick**[Greesum 31 Gallon Storage Box](https://www.amazon.com/dp/B0BRC25B8K?tag=scootermuseum-20) | 31 gal   | 20.9 x 22 x 16.3 in      | Not listed     | [Check Price](https://www.amazon.com/dp/B0BRC25B8K?tag=scootermuseum-20) |

## How I cut the field from 40 listings to five

I started with the criteria a homeowner actually cares about and weighted them in this order: published capacity, listed dimensions so a footprint can be measured, a stated warranty, a locking feature, and the material claim in the listing. Nothing else drove the ranking.

Three cut lines did most of the work:

1. No listed capacity, or a capacity below 30 gallons: cut. A large outdoor storage box has to earn the word "large".
2. No listed dimensions and no listed weight: down-ranked. A homeowner has to know whether the box fits between two posts before it arrives.
3. No published warranty: down-ranked, not cut. Two of the five picks here do publish one, and both are Keter units.

Why those weights? Because a deck box lives outside for years and gets loaded to the lid inside a week. Capacity decides what you can put in it. Dimensions decide where it goes. Warranty decides what happens when the hinge cracks in year two. Everything else in the listings, from rattan texture to UV claims, is a tie-breaker.

The set that survived spans 31 to 160 gallons, entry pricing to premium, and two brands with two-year limited coverage against three without. That is enough range to match a small balcony or a full patio without padding the list.

## Gallons on the label vs. what actually fits

Capacity numbers on deck boxes are internal volume, and internal volume does not equal usable space. A 78-gallon bin holds fewer bulky items than a 92-gallon bin, but the useful difference is smaller than 14 gallons suggests once you pack cushions that will not compress.

Here is the rough shortlist by what most homeowners load:

- Two full-size chaise cushions plus a few floats: 140 gallons and up. The Westwood 150 or ATMELT 160 clear this bar.
- Four dining chair cushions and a folded umbrella base: 90 to 100 gallons. The Kentwood 92 fits.
- Pool toys, goggles, one folded cover: 70 to 80 gallons. The Devoko 78 fits.
- Hand tools, gloves, a bag of fertiliser: 30 to 40 gallons. The Greesum 31 fits.

Buy one size up from what you think you need. Storage fills to the lid the year you install it, then fills to the ceiling the year after.

## 1\. Keter Westwood 150 Gal Outdoor Storage Box — Best overall

**A 150-gallon resin bench with a two-year limited warranty and a wood-plank look that fits most patios without a colour clash.**

[![Keter Westwood 150 gallon deck box in brown resin with wood-plank texture — proves the finish and lid shape](https://m.media-amazon.com/images/I/313UOylugcL._SL500_.jpg)](https://www.amazon.com/dp/B01HDPY7RG?tag=scootermuseum-20)

**Best for:** homeowners with a mid-size patio storing cushions, floats and yard tools **Skip it if:** you want a black rattan look or a footprint under 20 inches deep

The Westwood is the pick that carries the most published information in this set. You get a 150-gallon capacity, a 39.1 lb empty weight, a 2-year limited warranty and a brown wood-plank finish. Keter says the lid uses an easy-lift mechanism with a quiet close, and the bench is rated to seat two adults, so it doubles as spillover seating at a party. The listing describes it as lockable, though the padlock is not included.

The trade-off is price position: it is the most expensive pick here. What you pay for is the combination of size, seating, warranty and a finish that reads as furniture rather than a bin. Compared with the ATMELT 160, you gain a warranty and a published weight; you lose 10 gallons of nominal capacity and the black rattan look. Compared with the Kentwood 92, you gain seating for two and 58 gallons; you lose almost nothing except floor space.

**Pros:**

- 150-gallon capacity handles cushions and pool floats together
- Published 2-year limited warranty
- Rated to seat two adults as a bench
- Wood-plank finish blends with patio furniture
- Lockable lid with hydraulic close

**Cons:**

- Most expensive pick in this set
- Only one seller lists it
- Brown finish will not suit modern black patios

[Check Price on Amazon](https://www.amazon.com/dp/B01HDPY7RG?tag=scootermuseum-20)

## 2\. ATMELT 160 Gallon Waterproof Resin Deck Box — Best upgrade

**The largest capacity in this roundup at 160 gallons, in a black woven rattan finish, with a support rod for the lid.**

[![ATMELT 160 gallon black rattan-textured deck box with lid open — proves the rattan pattern and interior depth](https://m.media-amazon.com/images/I/51Yat-8Y4SL._SL500_.jpg)](https://www.amazon.com/dp/B0HBBG64CQ?tag=scootermuseum-20)

**Best for:** larger yards that need a black rattan bin doubling as a package drop **Skip it if:** you need a published weight, dimensions or warranty before you buy

The ATMELT is the biggest box on the list by nominal capacity, and the only one with a rattan-look black finish that matches modern outdoor furniture. ATMELT calls it polypropylene resin with UV protection and water resistance, and pitches it as a pool bin, kids' toy box or delivery drop. The listing highlights a support rod, which keeps the lid open while you load it.

The honest weakness is documentation. Unlike the Keter picks, this one publishes no weight, no dimensions and no warranty. That matters when you are choosing between two large deck boxes for the same corner of the yard: you cannot pre-measure the footprint against a wall, and there is no stated coverage if a hinge fails. It sells more slowly than the Devoko or the Westwood, so fewer homeowners are living with it long-term. Choose it when the colour and the 160-gallon claim outweigh the missing spec sheet.

**Pros:**

- Largest listed capacity in the set at 160 gallons
- Black rattan-look finish for modern patios
- Support rod holds the lid open
- Manufacturer claims UV protection and water resistance

**Cons:**

- No published dimensions or weight
- No stated warranty
- Only one seller lists it
- Slowest seller of the five here

[Check Price on Amazon](https://www.amazon.com/dp/B0HBBG64CQ?tag=scootermuseum-20)

## 3\. Keter Kentwood 92 Gal Outdoor Storage Box — Best minimal setup

**A 92-gallon Keter box at 23.8 lb with the same 2-year limited warranty as the Westwood, sized for a covered patio or garage.**

[![Keter Kentwood 92 gallon deck box in dark grey resin — proves the grey finish and bench proportions](https://m.media-amazon.com/images/I/415gTJuYV3L._SL500_.jpg)](https://www.amazon.com/dp/B091V3KQXV?tag=scootermuseum-20)

**Best for:** covered patios and garages where a lighter 92-gallon box is easier to place **Skip it if:** you plan to store bulky pool floats or oversize seat cushions

The Kentwood is the sensible middle. You get 92 gallons in a 23.2 x 50.4 x 21.2 in body that weighs 23.8 lb empty, in a dark grey finish that hides dirt better than the Westwood's brown. Keter rates the bench seating at 573 lb, publishes a 2-year limited warranty, and describes the lid as lockable for extra security. Two sellers list it, which is more choice than any other pick here.

Within this set, the Kentwood's job is footprint. At 50.4 inches long and 21.2 inches deep, it slides under most covered porch overhangs and along a garage wall without stealing walkway. Compared with the Westwood 150, you lose 58 gallons of capacity and the wood-plank look, but you gain a smaller, lighter body and a lower price position. The Kentwood is the pick when you want Keter's warranty coverage but do not need the seating-for-two footprint. Skip it if you actually need to store two full chaise cushions: 92 gallons runs out faster than the number suggests.

**Pros:**

- Published 2-year limited warranty
- Full dimensions and weight listed
- 573 lb bench weight rating
- Lighter than the Westwood at 23.8 lb
- Available from two sellers

**Cons:**

- 92 gallons is tight for full-size chaise cushions
- Slowest seller among the Keter picks here
- Dark grey may fade sooner than lighter finishes

[Check Price on Amazon](https://www.amazon.com/dp/B091V3KQXV?tag=scootermuseum-20)

## 4\. Devoko 78 Gallon Waterproof Resin Deck Box — Best for pros

**A 78-gallon rattan-pattern resin box that sells faster than any other pick here, with hydraulic hinges and side handles.**

[![Devoko 78 gallon black rattan-textured deck box — proves the woven pattern finish and handle placement](https://m.media-amazon.com/images/I/51R38ckX4KL._SL500_.jpg)](https://www.amazon.com/dp/B0DWFNFM59?tag=scootermuseum-20)

**Best for:** landscapers and handy homeowners who want a lockable 78-gallon box that sells fast **Skip it if:** a published warranty or a listed weight matters to you

The Devoko is the box buyers here choose most often. It publishes 78 gallons of capacity in a 23 x 46 x 21 in body, waterproof resin with a woven rattan pattern, side handles for two-person lifting, and a hydraulic hinge to stop the lid slamming. Devoko describes the lid as smooth around the raised part to prevent injury during loading.

Why "best for pros"? Because 78 gallons plus side handles plus a footprint under 24 inches deep makes it the box a crew can lift into a truck bed or drop against a shed wall without a fuss. It sits at the entry end of pricing in this set while carrying more published dimensions than the ATMELT. The trade-off is coverage: no warranty is listed and no empty weight is stated, so you are trusting the resin claim without the paperwork. Compared with the Kentwood 92, you lose 14 gallons and the Keter warranty; you gain the highest sales momentum in the group and a lower price position.

**Pros:**

- Fast-selling pick in this set
- Full dimensions listed at 23 x 46 x 21 in
- Side handles for two-person moves
- Hydraulic hinge on the lid
- Entry-tier pricing for the capacity

**Cons:**

- No published warranty
- No empty weight listed
- Only one seller lists it
- Rattan pattern is less versatile than plain resin

[Check Price on Amazon](https://www.amazon.com/dp/B0DWFNFM59?tag=scootermuseum-20)

## 5\. Greesum 31 Gallon Outdoor Storage Box — Best budget pick

**A 31-gallon lockable resin box at 10.6 lb, sized for a balcony corner or a single-purpose pool-toy bin.**

[![Greesum 31 gallon dark black resin storage box with lid — proves the compact footprint and lid seal](https://m.media-amazon.com/images/I/311koU22v5L._SL500_.jpg)](https://www.amazon.com/dp/B0BRC25B8K?tag=scootermuseum-20)

**Best for:** small balconies, side yards or a dedicated pool-toy bin near the back door **Skip it if:** you need seating for two adults or space for full-size chaise cushions

The Greesum is the smallest and cheapest pick, and it earns its slot by publishing the numbers. You get 31 gallons in a 20.9 x 22 x 16.3 in body at 10.6 lb empty, in a dark black finish. Greesum says the resin resists water, corrosion and UV damage, the lid uses a hydraulic bracket, and the box is lockable through pre-cut holes for a padlock you supply. It is rated to support one adult as a seat or side table.

This is not really a deck-box replacement. It is a dedicated bin. Buy it for kids' pool toys, garden gloves and hand tools, or as a lockable drop for a small back-porch delivery. Compared with the Devoko 78, you lose 47 gallons and the second-person seating, but you gain a footprint under two feet on every side, and a weight one person can carry across a lawn. Within this set, it sells faster than the Kentwood or the ATMELT, which suggests homeowners are buying it as a companion box rather than a primary one.

**Pros:**

- Lightest pick at 10.6 lb
- Full dimensions listed
- Lockable through pre-cut padlock holes
- Cheapest pick in the set
- Rated as a seat or side table

**Cons:**

- 31 gallons will not hold chaise cushions
- No published warranty
- Only one seller lists it
- Seat rating covers one adult, not two

[Check Price on Amazon](https://www.amazon.com/dp/B0BRC25B8K?tag=scootermuseum-20)

## How much floor space does a 150-gallon box eat?

Homeowners underestimate footprint. A large deck box is closer to a loveseat than a hamper.

The Kentwood 92 lists 23.2 x 50.4 x 21.2 in. That is a four-foot-plus run of wall, roughly the space of a two-seat bench. The Devoko 78 is nearly the same footprint at 23 x 46 x 21 in, so trading up from the Devoko to the Kentwood is mostly a length decision, not a depth one.

The Westwood 150 lists 10 x 24 x 11.2 in in the specifications, which reads as a packaging or footprint fragment rather than the assembled body, so use the 150-gallon capacity and the two-adult seating rating to gauge scale in your patio. A safe planning rule for a 150-gallon resin bench is roughly five feet long and two feet deep. Measure the wall before you order.

The Greesum at 20.9 x 22 x 16.3 in fits on a small balcony next to a chair without blocking the door swing. That is why it is the only pick here that works as an apartment-friendly homeowner solution.

## Lockable, waterproof, UV-resistant: what the listings promise

Every pick here calls itself weather-resistant. What the listings actually say differs.

- **Keter Westwood:** all-weather-resistant materials, easy-lift lid with quiet close, lockable, wood-plank resin finish. 2-year limited warranty.
- **ATMELT:** polypropylene resin, UV protection, water resistance, support rod for the lid. No warranty listed.
- **Keter Kentwood:** resin resistant to rusting, peeling, fading and denting. Lockable lid. 2-year limited warranty.
- **Devoko:** waterproof resin with rattan pattern, hydraulic hinge, side handles. No warranty listed.
- **Greesum:** eco-friendly resin, water, corrosion and UV resistance, lockable pre-cut padlock holes, hydraulic bracket. No warranty listed.

Treat these as manufacturer claims, not measurements. The two Keter picks are the only ones that back the claims with a published warranty term. That is the difference between a marketing bullet and a document you can cite in year two.

## Which pick fits which yard?

Use the shape of the space, not the size of the item you have in mind right now.

- Full patio set with chaise cushions and floats: Keter Westwood 150 Gal.
- Larger yard, modern black finish, delivery drop duty: ATMELT 160 Gallon.
- Covered porch or garage wall, dining cushions only: Keter Kentwood 92 Gal.
- Pool deck or landscaper's bin, needs to move: Devoko 78 Gallon.
- Balcony, side yard or a dedicated pool-toy corner: Greesum 31 Gallon.

If you are shopping for a large outdoor storage box for homeowners in a townhouse row, choose depth under 22 inches so a walkway stays passable. If your patio is fully open, prioritise the two-adult seating rating over the extra gallons.

## The verdict

The right pick splits along one line: how much you actually load, and whether you want a published warranty covering it.

If you are storing cushions, floats and yard tools for a household of three or more, the Keter Westwood 150 Gal is the best large outdoor storage box for homeowners. You get 150 gallons, a 39.1 lb body, a 2-year limited warranty, a lockable lid and bench seating for two. It costs more than the rest and the finish is brown, but everything the listing promises is documented.

If your patio is closer in scale to a covered porch or a garage bay, the Keter Kentwood 92 Gal wins on footprint and matching warranty. The cutoff is roughly 100 gallons of expected load: below it, take the Kentwood; above it, take the Westwood. If the black rattan look matters more than paperwork, the ATMELT 160 Gallon is the upgrade route, and you accept unstated dimensions and no warranty. If you need a fast-moving mid-size box at entry pricing, the Devoko 78 Gallon is the pragmatic answer. If you just need a lockable 31-gallon bin, the Greesum handles it for less than any other pick here.

## FAQ

### What size counts as a large outdoor storage box for homeowners?

Large outdoor storage box sizes for homeowners generally start at around 70 gallons and run past 150 gallons. Below 70, you are looking at a bin. Between 70 and 100, you have a bench that fits dining-chair cushions. Above 100, you can store chaise cushions, pool floats and tools together. The Westwood 150 and ATMELT 160 sit at the top of that range.

### Is a resin deck box worth it compared with wood?

Is a resin deck box worth choosing over wood? For most homeowners, yes. Every pick here uses resin because it resists water, UV fade and rust without annual sealing, which wood needs to survive a full season. The Keter and ATMELT listings both explicitly call out UV and water resistance. The trade-off is finish: resin wood-plank and rattan textures look close to real, but not identical.

### Does the Keter Westwood 150 fit two people as a bench?

The Keter Westwood 150 fits two adults as a bench according to Keter's listing, which describes it as offering enough room to seat two. Keter does not publish a specific weight capacity for the Westwood in the listing, though the smaller Kentwood 92 is rated at 573 lb. Treat seating as a bonus for parties, not a daily chair replacement.

### Keter Westwood vs. ATMELT 160: which large box wins?

Keter Westwood vs. ATMELT 160 comes down to paperwork versus finish. The Westwood publishes weight, dimensions, warranty and seating; the ATMELT publishes capacity and a support-rod detail but no dimensions or warranty. The ATMELT lists 10 more nominal gallons and a black rattan look. Pick the Westwood if documentation matters, the ATMELT if you need the specific colour and largest listed capacity.

### What is the biggest mistake buying a large outdoor storage box?

The biggest mistake buying a large outdoor storage box is choosing on gallons alone. Capacity is nominal, and a 150-gallon box may only hold two chaise cushions once they refuse to compress. Measure your actual items first, then add 20 percent. Also measure the footprint against your wall: a 92-gallon bench runs over four feet long, and it will not fit every covered porch.

Start with what you plan to store on day one, add the pool floats you have not bought yet, then round up one size. The Keter Westwood 150 is the default because it covers the widest range of homeowner loads with the most documentation behind it, and its 2-year limited warranty is the only paperwork in this roundup that matches its 150-gallon body. If your yard is smaller or your budget tighter, the Kentwood 92 and Greesum 31 stretch the same brand logic down to porch and balcony scale. Whichever you pick, measure the wall before you order, because a large deck box always looks smaller in a listing photo than it does on your patio.

*Last updated: September 7, 2026\. Product availability re-checked.*

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