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 walk-ins welcome in Thailand
2 spas match
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.
$