A boat is disclosed including a composite hull with a rigid bottom (2) and an inflatable tubular buoyancy element (3) having a general U shape fixed to the upper edge of the bottom along the front and lateral sides thereof, the bottom having at the rear an upstanding wall forming an upper stern (4), a rigid deck (5) being further fixed to the bottom and defining therewith a housing (6) for an on-board drive and propellant device, in which the deck (5) forms, in its rear half, an upwardly projecting axial T shaped console (9), the transverse bar of the T forming a transverse seat (10) and the leg of the T forming successively (from the rear forwards) a jockey seat (11) for the pilot and a block, which is raised with respect thereto, forming a piloting post (12) situated immediately behind the seat (10), the rear end of the leg of the T being connected to the upper stern (4); the portion of the deck situated on each side of the jockey seat forms a floor (13) for the pilot; and the drive and propellant device are situated substantially under the T shaped console (9).