In Bangkok, 5 of the curated saunas fit this cut. See the full Bangkok guide for every venue, or keep scrolling for just the urban bathhouses.
Every urban bathhouse in Bangkok
Kaizen Private Onsen & Spa
฿฿Bangkok, Thailand
Kaizen is a private onsen and Thai spa on Soi Sukhumvit 26 in Khlong Toei, Bangkok. Its onsen rooms are booked privately by the hour, and some add a small wood-lined sauna. The VIP Forest Room has a steam room as well, and massage and scrub packages can follow a soak.
Let's Relax Onsen and Spa Thonglor
฿Bangkok, Thailand
Let's Relax Onsen and Spa Thonglor fills the fifth floor of the Grande Centre Point hotel on Sukhumvit 55. Separate men's and women's onsen zones hold mineral baths, a sauna and a steam room, and bathing is nude. Outside the zones sit a cool-down room, a relaxation room and hot stone rooms, all included in the onsen ticket.
Totonoi Sauna & Onsen
฿Bangkok, Thailand
Totonoi Sauna & Onsen is a Japanese-style bathhouse on Sukhumvit Soi 32 in Bangkok. It has an aufguss sauna with towel-fanning, a dim meditation sauna and a Thai herbal steam room. Three onsen baths, one for women only, and cold baths at 18°C and 12°C sit beside an outdoor rest area.
Yumoto Spa Bangkok
฿฿Bangkok, Thailand
Yumoto Spa is a private onsen on the third floor of a building on Soi Sukhumvit 31. Each two-person suite pairs a Japanese-style onsen tub with its own small electric sauna, lined with a lit wall of Himalayan salt. Massage, scrubs and facials can follow the bath.
Yunomori Onsen & Spa Sathorn
฿Bangkok, Thailand
Yunomori's second Bangkok branch sits on Soi Suksawittaya, off North Sathorn Road. A day pass covers mineral-water and jet baths, two cold baths, a steam room and a dry sauna at 80-95°C. Thai massage, a restaurant and a garden lounge share the building.