Imagine relaxing in a hot tub. Now imagine relaxing on your boat, floating in calm waters. Now, combine the two, and you get the Hot Tub Boats! This clever creation from a group of Seattleites is a fully seaworthy vessel that can be driven with a joystick while soaking in the hot tub or sitting on the aft deck. The water temperature stays at a balmy 104 degrees, and each boat can hold up to 6 people. Boats are available for purchase or rental around Lake Union and the Seattle Metro area. With Hot Tub Boats, no boating license is required, just a bathing suit and a sense of fun!