Palm Springs, California
Adults-only hot springs resort on Miracle Hill in Desert Hot Springs with private mineral tubs, a Finnish sauna, salt room and 35 spa treatments.
$$$
Spas with private suites
4 spas match
The Little Red Day Spa
Day SpaSeattle, Washington
A themed-suite day spa in Seattle's SODO district offering massages, facials, couples packages and a few overnight suites.
$$Grand Hyatt Scottsdale Resort
Hotel SpaScottsdale, Arizona
Adults-only resort spa in Scottsdale with sauna, steam, cold plunge and thermal pools, open only to hotel guests.
$$$$The Spa at Four Seasons Chiang Mai
Resort SpaChiang Mai, Northern Thailand
A hotel spa inside the Four Seasons Resort Chiang Mai in Mae Rim, with sauna, steam room, cold plunge and thermal pools set among rice paddies, open to resort
$$$$
