Ton Mai Spa is a garden day spa and restaurant on Wiset Road in Rawai. General admission of 200 THB (or 1,750 THB for ten visits) covers a Nordic dry sauna, a Thai herbal steam room scented with lemongrass and kaffir lime, a cold bath and an outdoor pool with loungers, with no booking needed. A private ice bath can be filled for 100 THB per two hours plus 30 THB per bag of ice. Open daily 9 AM to 11 PM.