Spa by sisley／ふふ 熱海
Hotel SpaAtami, Shizuoka
Hotel spa inside Fufu Atami using Sisley's plant-based treatments, with sauna, steam and thermal pool access for adults only.
$$$$
Spas with reservation required in Japan
2 spas match
Kyoto
Hotel spa on the 2nd floor of Dhawa Yura Kyoto in Higashiyama, offering private-suite treatments by Banyan Tree Academy-trained therapists.
$$$