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.
$$$$
Spas with thermal pool
4 spas match
Pure Serenity Spa
Hotel SpaPark City, Utah
A 14-room hotel spa at Westgate Park City Resort with a waterfall, sauna, steam room and thermal pools, open daily 9:30am-6:30pm.
$$$The Phoenician Spa
Hotel SpaScottsdale, Arizona
Hotel spa at The Phoenician in Scottsdale, open to guests 18+ who book a massage, facial, or body treatment, with sauna, steam room and a rooftop pool.
$$$$COMO Shambhala Estate
Destination SpaUbud, Bali
A 22-acre riverine-forest wellness retreat outside Ubud built around a sacred spring, accessible only to guests staying at the estate.
$$$$
