Meet the Hot Tub Boat: a boat that is also a hot tub, allowing you to have a more relaxing experience cruising over the water. It has space for up to 6 people. The boat can be controlled with a joystick. The Hot Tub Boat has a diesel fired boiler to maintain your desired temperature for as long as you are out.
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ANA「空の向こうのOMOTENASHI」 シアトル1 「露天風呂ボートのおもてなし」
The above video shows what Hot Tub Boats have to offer. More information is available here.
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