Abstract: A portable boat assembly for use by an operator having a stern module, a bow module integrable with the stern module, an inflatable tube which surrounds the bow and stern modules and forms the float platform of the boat, a propeller assembly disposed beneath the bow and stern modules, a pedal and gear assembly disposed in the bow module such that movement of the pedal and gear assembly is converted into movement of the propeller assembly for propelling the boat through water, a rudder and tiller assembly attachable to the rear of the stern module for directing the boat through the water, and keels for controlling the drift and set of the boat.