Spas with relaxation lounge

San Diego, California

A moderately priced day spa in Mission Bay, San Diego, with steam rooms and a relaxation lounge, open to walk-ins and families.

Tucson, Arizona

A hotel spa at an 80-acre Sonoran Desert resort in Tucson, open to overnight guests, with three pools, hot tubs, sauna and yoga classes.

Chicago, Illinois

A Gold Coast medical and day spa combining massage, facials, laser and injectables with a robe-and-locker relaxation lounge, open daily except Tuesday and

Tepoztlán, Morelos

A day spa and temazcal (traditional Mexican sweat lodge) in Tepoztlán, Morelos, open Wednesday through Sunday with reservations suggested.

Boston, Massachusetts

A hotel spa inside Mandarin Oriental, Boston's Back Bay property, open to hotel guests only, with sauna, steam room, pools and a cold plunge.

New York City, New York

A small Japanese-style bathhouse near Union Square with sauna, hot-tub onsen, cold plunge and a recovery lounge, open by reservation only.

Sayulita, Nayarit

A hillside boutique hotel spa outside Sayulita with sauna, steam room, cold plunge and ocean-view pool, open on a day-pass basis.

Yuseong, Daejeon

A Korean bathhouse in Yuseong, Daejeon, open daily from early morning to late night with steam room, sauna and lounge, walk-ins welcome.

Tulsa, Oklahoma

A hotel-guest-only wellness space at Brut Hotel in Tulsa, with a relaxation lounge, yoga sessions and an on-site restaurant.

Napa Valley, California

Carneros Resort and Spa is a luxury hotel spa in Napa Valley with outdoor soaking tubs, garden lounges and treatments reserved for overnight guests.

Philadelphia, Pennsylvania

A private-reservation spa in Philadelphia's Manayunk neighborhood for date nights, birthday and bachelorette parties, with hot tub, sauna and massage chairs

Orlando, Florida

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