DIP on the Roof is a rooftop wellness deck on the sixth floor of the Ashlee Plaza Patong hotel building in south Patong. Its circuit runs from a Finnish white-spruce sauna at 60–90°C and a 43–49°C steam room to a 15–18°C cold plunge, a 38–40°C hot pool, a saltwater swimming pool and a nap room; a true ice bath costs extra. A day pass is 590 THB with towels, slippers and locker. Open daily 11 AM to 10 PM.