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.
$$$
Spas with thermal pool
14 spas match
Carillon Hotel
Resort SpaMiami, Florida
A beachfront resort spa in North Beach, Miami with cryotherapy, a floating salt bath, sauna, steam and a cold plunge, open to walk-ins and day-pass guests.
$$$Four Seasons Firenze Spa
Hotel SpaTuscany
Hotel spa inside Florence's Four Seasons, with a walled garden pool, whirlpool, sauna, steam room and couples suite, open to day-pass guests.
$$$$Riviera Maya, Quintana Roo
Adults-only spa inside the all-inclusive Ocean Riviera Paradise resort in Playa del Carmen, with sauna, Turkish bath and four treatment options via day pass.
$$$$Sante Spa
Resort SpaPalm Springs, California
Sante Spa is the adults-only resort spa at the Riviera Palm Springs, with 18 treatment rooms, a Watsu pool, steam room and validated valet parking.
$$$$Terme di Saturnia Spa & Golf Resort
Hot SpringsTuscany
A five-star resort in the Tuscan countryside built around a natural thermal spring, with day passes from €39 for outdoor thermal pools, hydromassage circuits
$The Spa at Desert Springs
Resort SpaPalm Springs, California
A 38,000-square-foot resort spa at JW Marriott Desert Springs in Palm Desert offers day passes, saunas, a saltwater lap pool and couples suites.
$$$$The Wilde Haven Spa
Day SpaSedona, Arizona
Adults-only resort spa in Sedona with outdoor hot tubs, steam rooms and a 30-treatment menu, open daily with walk-ins and day passes.
$$$$Iberostar Waves Tucán
Resort SpaRiviera Maya, Quintana Roo
A resort spa inside the Iberostar Waves Tucán in Playacar offering sauna, Turkish bath and jet-pool treatments, open to day-pass visitors 16 and up.
$$$JW Marriott Marquis Miami
Hotel SpaMiami, Florida
A hotel spa in downtown Miami with a day pass covering sauna, steam, cold plunge and thermal pools, plus 13 treatments on the menu.
$$San Juan
Adults-only hotel spa inside La Concha Resort in Condado, San Juan, offering couples massages and a small treatment menu for guests 18 and up.
$$$The Spa at Silverado
Resort SpaNapa Valley, California
Adults-only resort spa in Napa Valley with pools, sauna, steam and a fitness center, open to hotel guests and club members via day pass.
$$$The Westin Phoenix Downtown
Hotel SpaPhoenix, Arizona
Adults-only hotel wellness setup in downtown Phoenix with a heated pool, sauna and steam room, day passes available for $50.
$Farmhouse Inn
Hotel SpaCalistoga, California
A 25-room Sonoma hotel in Forestville with a spa barn offering sauna, steam and pools, mainly for overnight guests.
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