Houseboat plans! build the houseboat of your dreams! above is a photo of our 16 foot long "aqua casa 16"! this boat is fully trailerable. you can take this boat. Mini tugboat plans and houseboat plans by berkeley eastman. these boats are guaranteed to bring smiles of joy to those around you! also offering hehr rv windows. Free boat plans, boat plan resources, and free cad boat drawing file downloads.