Spas with reservation required

Scarborough

A boutique hillside hotel above Bacolet Bay in Scarborough, Tobago, with an infinity pool and ocean views, built around a converted 150-year-old Donkey Cart

Bad Blumau, Styria

Rogner Bad Blumau is a Hundertwasser-designed thermal resort in Styria with geothermal pools, outdoor baths and hotel-guest-only access.

Yufuin, Oita

A small hillside ryokan near Yufuin's town center where every room has its own half-open-air bath filled with 100% source hot-spring water and a view of Mt.

Tulum, Quintana Roo

Beachfront resort in Tulum pairing overnight stays with spa treatments, yoga and fitness classes, open to hotel guests only.

Denver, Colorado

Private Russian banya spa in Denver's Cheesman Park offering banya sessions, massage and body treatments by appointment since 1995.

Orlando, Florida

Affordable day spa on Orlando's International Drive offering Thai massage, facials, reflexology, and couples treatments alongside a steam room and sauna.