Balian Springs
Day SpaWashington, D.C., District of Columbia
A multi-level day spa near DC with indoor and rooftop hydrotherapy pools, several sauna types, lounges, an a la carte spa menu and eateries.
$$
Spas with thermal pool
3 spas match
Hive Cancun By G Hotels
Hotel SpaCancún, Quintana Roo
A boutique hotel near Cancún airport with a small wellness wing — pool, jacuzzi, sauna, steam room and temazcal — open to day-pass visitors.
$$$San Diego, California
Hotel spa at Carté Hotel San Diego Downtown with a heated saltwater pool, whirlpool, 28,000 sq ft fitness club with sauna and steam room, open to guests only.
$$$