A multi-purpose expedition vessel having a aluminum alloy hull, where the aluminum alloy hull can have a aluminum alloy hull bottom with a deadrise bow elevated above a waterline, an aft portion comprising a stern, a port side, a starboard side, a central axis between the starboard and port sides. The aluminum alloy hull of the vessel can have a first plurality of lifting stakes secured to the port side of the deadrise bow, and a second plurality of lifting stakes secured to the starboard side of the deadrise bow. The aluminum alloy hull can have at least a first level disposed within the aluminum alloy hull, and the aluminum alloy hull can have a superstructure disposed on it having various structures, such as a stateroom, a steering station, or a floatation roof.