Spas with moderate

Palm Springs, California

Adults-only clothing-optional resort in Desert Hot Springs with mineral water pools, whirlpools, a nude cedar sauna and day-pass access.

Águas de São Pedro, São Paulo

Day spa in central Águas de São Pedro offering massage, facials and couples packages, open daily except Sunday with walk-ins and day passes welcome.

Miami, Florida

Adults-only day spa in Aventura offering massage treatments, a fitness center and yoga, open daily 10am-6pm, walk-ins welcome.

Minneapolis, Minnesota

A St. Paul wellness studio in Macalester-Groveland offering infrared sauna, float tanks, salt therapy and cold plunge by reservation, adults-only, day-pass

Calistoga, California

A day spa and co-ed bathhouse in downtown Sebastopol with women-only and clothing-optional sessions on set days.

New York City, New York

Medical spa in Mountainside, NJ offering body sculpting, Botox and IV drip treatments alongside a sauna, steam room and pool, by reservation only.

Osprey, Florida

Hotel spa and pool deck at a moderate-price resort in Osprey, Florida, with sauna, steam room and thermal circuits for overnight guests.

Philadelphia, Pennsylvania

Korean-style bathhouse in Cheltenham, just outside Philadelphia, with themed heat rooms, scrub and massage services, and a fitness center.

Colorado Springs, Colorado

A moderate-priced holistic wellness center in West Colorado Springs offering dry salt therapy, massage, yoga and occasional sound-healing or cacao ceremonies.

Baños, Tungurahua

A wellness retreat in Baños with indoor family pools, a barefoot healing trail over crushed volcanic rock, and a large Buddha statue on the grounds.

Tampa, Florida

Adult-focused day spa in North Tampa offering facials, massage, waxing, infrared sauna and salt therapy, open daily with walk-ins welcome.

Bad Gastein, Salzburg

Open-air thermal baths in Bad Gastein using the town's mineral-rich Gesundwasser, with pools, saunas and a fitness center at 1,100 meters in the Hohe Tauern.

Húsavík, Northeastern Region

Geothermal seawater baths built into the cliffs above Skjálfandi bay in Húsavík, with walk-in day passes and views toward the Arctic horizon.

Palm Springs, California

A Palm Springs day spa offering massage, skin, hair and nail services, with couples treatments and walk-in appointments by reservation.

Cleveland, Ohio

Tremont day spa in Cleveland focused on scalp treatments, facials and massage, with a private original location for couples.

San Francisco, California

Oakland float and sauna studio near Grand Lake with private float tanks, infrared sauna cocoons and cryotherapy, open daily 11am-8:30pm.

Ojai, California

A hotel spa tied to Ojai's Lavender Inn, with an outdoor Garden Massage Gazebo for massages, open to overnight guests only.

Tucson, Arizona

Nature's Spa is a day spa in Tucson's Colonia Verde Plaza offering a dozen massage and bodywork treatments, with couples sessions and daily walk-in hours.

Ras Al Khaimah

A moderate-priced day spa in Ras Al Khaimah's Al Maireed area offering hammam, massage and exfoliation treatments, open daily 9am to 9pm.

Calistoga, California

A Calistoga day spa on Lincoln Avenue specializing in lymphatic bodywork and facial treatments, with a relaxation lounge for adults and solo travelers.

Palm Beach, Florida

A Juno Beach day spa with sauna, steam room and pool, offering massages, facials and couples treatments since 2008.

Dallas, Texas

A Northeast Dallas day spa, med spa and salon with whirlpool, rain shower and steam cave, open daily except Monday.

Park City, Utah

A Park City studio pairing private infrared sauna cabins with float therapy tanks, booked by reservation, with membership options for regulars.

The Hamptons, New York

Day spa in Greenport, North Fork, offering head spa treatments, facials, massage, and hair services, with walk-ins and reservations both accepted.