Chiang Mai
Hotel spa inside Chiang Mai Marriott offering massages, facials and scrubs across seven treatments, open daily 10am–10pm, day passes welcome.
$$
Spas with day pass in Thailand
5 spas match
Tamarind Springs
Day SpaKoh Samui, Surat Thani
A forest day spa on Koh Samui built around granite steam caves, waterfalls and plunge pools, open daily with walk-in or day-pass access.
$Hua Hin, Prachuap Khiri Khan
A budget-friendly day spa in Hua Hin with sauna, cold plunge and an all-day pass covering massage and other treatments.
$The Standard Spa, Hua Hin
Hotel SpaHua Hin, Prachuap Khiri Khan
Hotel spa at The Standard, Hua Hin, offering 11 treatments, ice bath therapy, and a day pass option at a beachfront resort on Naresdamri Road.
$$$Rak Ranong Onzen Spa & Cafe
Thermal BathsRanong
A budget thermal-bath spot in Ranong with a soaking pool and an on-site café, open daily 9am to 10pm, walk-ins welcome.
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