Hvammsvik Hot Springs
Hot SpringsReykjavik, Capital Region
Eight oceanfront geothermal pools in Hvalfjörður, 45 minutes from Reykjavík, plus steam baths, a bistro and guest houses for rent.
$$
Spas with fitness center
2 spas match
The Spa at Vinarosa
Day SpaCalistoga, California
A 20-treatment hotel day spa in Santa Rosa with an indoor caldarium plunge pool, eucalyptus steam rooms, and walk-in or reserved day passes for adults 18+.
$$$