Building A dock? Ive got 30ft Fiberglass Pontoons (wa)

Rated for 12500lbs 28.
6 'L by 4' W by 2' D Pontoons Makes for a 30 Foot Long Dock Section!!! They are very practical for Dock Structure, Mini Homes, Work Barge, and can be filled with Urethane for an Unsinkable option.
These Ultra Buoyant Pontoons are heavy constructed and have been approved by the Coast Guard for dock building before.
They can be used for Aqua Culture, Hydroponics, Aeroponics and Raised Bed Garden boxes.
These solid pontoons have been used for forms to build Fiberglass Tanks.
28' $1250 ea unfilled.
Possibilities are endless!