Abstract: The invention concerns a competition or cruiser sailboat comprising a hull (1) closed by deck (2), and wherein is implanted the lower end of a mast (4) bearing the rigging, characterized in that the mast (4) is a tilting mast without side stays, mounted pivoting in particular on bearings about a substantially horizontal axis (x-x′) of the hull (1) such that, whatever the weather conditions, its center of gravity (G) can be placed in the wind, in the sailboat center of rotation, and the rigging plane perpendicular to the air streams.