Spas with private suites

Ibusuki, Kagoshima

A ryokan-style hotel in Ibusuki with source hot-spring baths, both shared and private, open only to overnight guests.

Mykonos, South Aegean

Hotel spa at Omeon Mykonos in Agios Stefanos, open only to hotel guests, with private suites and sea-view treatment rooms geared toward couples.

Big Sur, California

Adults-only hotel spa at Ventana Big Sur with ocean-view treatment rooms, outdoor cabanas for couples, and a 24-hour fitness and yoga space.