An inflatable boat with a V-shaped hull comprising at least a central longitudinal strip that is rigid, and that is made up of a plurality of longitudinal segments assembled together end-to-end, and secured together by releasable fixing means which comprise: at each side top end, at least one longitudinally-extending projecting finger on an end of one segment and at least one respective facing longitudinal recess provided in the abutting end of the adjacent segment; and, in the tip portion of the V-shape and inside the hull, at least one connection member on an end of one segment, and at least one corresponding connection member situated inside the adjacent segment, and a retaining pin suitable for being engaged through the mutually aligned perforations in the two connection members.