Tamarind Springs
Day SpaKoh Samui, Surat Thani
A forest day spa on Koh Samui built around granite steam caves, waterfalls and plunge pools, open daily with walk-in or day-pass access.
$
Spas with cold plunge in Thailand
6 spas
Hua Hin, Prachuap Khiri Khan
A budget-friendly day spa in Hua Hin with sauna, cold plunge and an all-day pass covering massage and other treatments.
$The Standard Spa, Hua Hin
Hotel SpaHua Hin, Prachuap Khiri Khan
Hotel spa at The Standard, Hua Hin, offering 11 treatments, ice bath therapy, and a day pass option at a beachfront resort on Naresdamri Road.
$$$Kamalaya Koh Samui
Destination SpaKoh Samui, Surat Thani
Kamalaya Koh Samui is an adults-only destination spa and wellness retreat on Laem-Set Rd with over 100 treatments, thermal circuits and multi-day health
$$$$Pai, Mae Hong Son
A walk-in herbal sauna and cold-plunge spot in Pai with a restaurant and lounge attached, open daily 8am-10pm.
The Spa at Four Seasons Chiang Mai
Resort SpaChiang Mai, Northern Thailand
A hotel spa inside the Four Seasons Resort Chiang Mai in Mae Rim, with sauna, steam room, cold plunge and thermal pools set among rice paddies, open to resort
$$$$
