Lifetime Marine Dock Box 130 gal
The value pick: a plastic dock bench box with a 10-year warranty for a fraction of fiberglass prices.
Lifetime $314.99$314.99
The Lifetime Marine Dock Box 130 gal is the better dock box overall, rated 4.2 to 3.7. The Lifetime Marine Dock Box 130 gal leads on value. The RecPro Dock Box with Seat Top 71" wins on build and size. The Lifetime Marine Dock Box 130 gal costs $1,134.96 less ($314.99 vs $1,449.95).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
RecPro Dock Box with Seat Top 71"
A big fiberglass dock box with a seat top, from an RV and marine parts maker. Roomy, but no published warranty.
RecPro $1,449.95$1,449.95
Which should you buy?
- Choose the Lifetime Marine Dock Box 130 gal for value ($14.25 per cu ft ($314.99, 22.1 cu ft) vs $40.61 per cu ft ($1,449.95, 35.7 cu ft)).
- Choose the RecPro Dock Box with Seat Top 71" for build (fiberglass, stainless hardware, UV-resistant finish vs polyethylene, UV-resistant finish) and size (35.7 cu ft exterior volume vs 22.1 cu ft exterior volume).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 18 cu ft and up dock box; a clear win is highlighted. How we rank explains each one.
| Factor weight | Lifetime Marine Dock Box 130 gal | RecPro Dock Box with Seat Top 71" |
|---|---|---|
| Overall rating | 4.2/5 | 3.7/5 |
| Value 30% | 100 $14.25 per cu ft ($314.99, 22.1 cu ft) | 47 $40.61 per cu ft ($1,449.95, 35.7 cu ft) |
| Size 15% | 59 22.1 cu ft exterior volume | 100 35.7 cu ft exterior volume |
| Build 20% | 44 polyethylene, UV-resistant finish | 100 fiberglass, stainless hardware, UV-resistant finish |
| Features 20% | 70 spring-hinge lid, lockable latch, lid rated as a seat, tie-down points | 75 gas lid supports, lockable latch, lid rated as a seat |
| Warranty 15% | 100 10-year warranty | 0 warranty not published, scored as none |
Specifications
| Lifetime Marine Dock Box 130 gal | RecPro Dock Box with Seat Top 71" | |
|---|---|---|
| Size | ||
| Exterior (W x D x H) | 60 x 24 x 26.5 in | 71 x 31 x 28 in |
| Shape | Rectangle | Rectangle |
| Style | Bench | Top seat |
| Exterior volume | 22.1 cu ft | 35.7 cu ft |
| Interior | 57 x 20.7 x 23.7 in | - |
| Stated capacity (not scored) | 130 gal | - |
| Stated load rating (not scored) | 900 lb | - |
| Build | ||
| Material | Polyethylene | Fiberglass |
| UV-resistant finish | Yes | Yes |
| Stainless hardware | - | Yes |
| Features | ||
| Lid support | Spring hinge | Gas supports |
| Lockable | Yes | Yes |
| Seat-rated lid | Yes | Yes |
| Tie-down points | Yes | - |
| Ownership | ||
| Warranty | 10 years | - |