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.
$$$
Spas with private suites
3 spas match
Scottsdale, Arizona
North Scottsdale day spa with massage, facials, sauna, steam and a thermal pool, plus private suites for couples and groups.
$$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.
$$$$
