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.
$$$
Spas with private suites
4 spas match
Inspire Day Spa
Day SpaScottsdale, Arizona
A moderately priced day spa in South Scottsdale with lake-view suites, massage and facials, plus a dedicated couples treatment room.
$$Napa Valley, California
Hotel day spa atop the Archer in downtown Napa with a water deck, fitness studio access and treatment rooms; reservations required.
$$$Grand Hyatt Scottsdale Resort
Hotel SpaScottsdale, Arizona
Adults-only resort spa in Scottsdale with sauna, steam, cold plunge and thermal pools, open only to hotel guests.
$$$$
