Wellmax Saunatainment is a gay men's sauna in the basement (B1) of Wall Street Tower on Surawong Road, Bang Rak, close to Silom and Patpong. It calls itself a "saunatainment" venue: alongside a Himalayan salt sauna, herbal steam room, ice baths and cold-water buckets, there are two rooms with digital art projections that change over time. It opens at 14:00 on weekdays and 12:00 at weekends, closing at 01:00 every day. The listing gives a 400-baht walk-in fee with no time limit and an entry policy of men aged 20 to 55; check the website for current prices before you go. Bring ID, use the lockers for valuables, and carry condoms.