We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.
We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.
New! Find and book your ideal hotel on TripAdvisor — and get the lowest prices

Photo: “Double bed goes from side to side of the tube. There's a concrete shelf (1 ft wide?) at the back”

From Review: I agree of Tubohotel