Urban bathhouses in Thailand

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.

Pattaya, Thailand

Let's Relax Onsen and Spa Pattaya is a Japanese-style bathhouse on the seventh floor of Grande Centre Point Space in Naklua. Its bath hall looks out over the sea. Separate men's and women's areas each have onsen baths, a sauna and a steam room, with a hot stone room and cool-down rooms outside.

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.

Chiang Mai, Thailand

Maa is a yoga studio and Thai massage spa in Haiya, near Chiang Mai's Old City. A tiled steam room and a garden ice bath can be booked as sessions on their own or paired with a massage. There is also a private Japanese-style onsen tub.

Chiang Mai, Thailand

A contrast-therapy spa in Chiang Mai's old city, set around a planted courtyard with bamboo walls. A Finnish sauna and a Himalayan salt far-infrared sauna sit beside a Thai herbal steam room. The cold side is a wooden ice bath and a cold room, with a magnesium hot bath to finish.

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.

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.

Pattaya, Thailand

Yunomori's Pattaya branch is a Japanese-style onsen bathhouse where men and women bathe together in swimwear. A dry sauna and a steam room sit beside hot mineral baths, a cold bath and outdoor Thai ceramic tubs. Thai massage and a restaurant are on site.

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.