Spas with adults only

New York City, New York

Sisley Paris spa inside The Dominick, a five-star SoHo hotel, open to hotel guests only with a rooftop pool, fitness center and lounge.

Miami, Florida

Recovery and longevity studio in Brickell offering sauna, cold plunge, cryotherapy and IV therapy, bookable by reservation or walk-in.

Denver, Colorado

Adults-only bathhouse on West Colfax Ave in Denver with a steam room, sauna, hot tub and relaxation lounge, open daily except Tuesday.