Disclosed is a boat including a bottom bordered radially externally by a wall which includes an inflatable and foldable front wall, an inflatable and foldable side wall, and a rear wall. The boat includes at least one inflatable and foldable longitudinal support parallel to the side wall, the support including an inflatable tube and a foldable upper connection which connects the tube to the upper part of the side wall, the upper connection extending longitudinally along the side wall and forming during use a surface P capable of receiving an element.