Abstract: A raft that can be moored to a marina dock or wharf that is designed to serve as a parking place for a boat and comprises an upper platform, four air tanks that are attached to the underside corners of the said upper platform, and a set of pipes that connect the tanks to a control spigot used to fill and empty air into and from the tanks. The raft (or part of it: back or side part) can be submerge in the water and set afloat again by emptying or filling the tanks with air, accordingly.