Ever felt the need to take your hot tub and place it in the lake? Why not, I guess. The HotTug is a hot tub that doubles as a boat. The HotTug (sounds a bit dirty doesn’t it?) sports a stainless steel stove that heats the water and is powered by an electric or standard outboard motor. You can take six passengers in the HotTug which will set you back about $15,000.