DoxBox Fiberglass Rectangle 70" vs Lifetime Marine Dock Box 130 gal

Last updated: November 9, 2026

The Lifetime Marine Dock Box 130 gal is the better dock box overall, rated 4.2 to 3.3. The Lifetime Marine Dock Box 130 gal leads on value and size. The DoxBox Fiberglass Rectangle 70" wins on build. The Lifetime Marine Dock Box 130 gal costs $484.01 less ($314.99 vs $799).

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.

DoxBox Fiberglass Rectangle 70" vs Lifetime Marine Dock Box 130 gal

Which should you buy?

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 weightLifetime Marine Dock Box 130 galDoxBox Fiberglass Rectangle 70"
Overall rating4.2/53.3/5
Value 30%100 $14.25 per cu ft ($314.99, 22.1 cu ft)48 $40.56 per cu ft ($799, 19.7 cu ft)
Size 15%59 22.1 cu ft exterior volume49 19.7 cu ft exterior volume
Build 20%44 polyethylene, UV-resistant finish80 fiberglass, UV-resistant finish
Features 20%70 spring-hinge lid, lockable latch, lid rated as a seat, tie-down points65 gas lid supports, lockable latch, vents
Warranty 15%100 10-year warranty0 warranty not published, scored as none

Specifications

Lifetime Marine Dock Box 130 galDoxBox Fiberglass Rectangle 70"
Size
Exterior (W x D x H)60 x 24 x 26.5 in70 x 18 x 27 in
ShapeRectangleRectangle
StyleBenchStandard
Exterior volume22.1 cu ft19.7 cu ft
Interior57 x 20.7 x 23.7 in-
Stated capacity (not scored)130 gal-
Stated load rating (not scored)900 lb-
Build
MaterialPolyethyleneFiberglass
UV-resistant finishYesYes
Made in USA-Yes
Features
Lid supportSpring hingeGas supports
LockableYesYes
Seat-rated lidYes-
Vents-Yes
Tie-down pointsYes-
Ownership
Warranty10 years-

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