Spas with adults only

Santa Fe, New Mexico

Santa Fe float spa with sensory-deprivation tanks and infrared sauna rooms, walk-ins accepted when the schedule allows.

Seattle, Washington

A Bellevue day spa in Wilburton specializing in head spa scalp treatments, massage, facials and couples sessions, with free on-site parking.

Aspen, Colorado

A reservation-only day spa on Aspen's Mill Street specializing in facials and massage aimed at high-altitude skin and ski-related muscle recovery.

Los Angeles, California

A women-focused Korean day spa in Pico-Union with steam, salt and ice rooms, open daily 9am to 9pm, with massage and facials open to men too.

Zurich

Thermal baths and rooftop infinity pool set in a former Zurich brewery's historic vaults, with a Roman-Irish spa ritual and day-pass access.

Miami, Florida

A co-ed Turkish hammam and day spa in North Miami offering a $125 day pass with saunas, steam rooms, a hydromassage pool and an on-site Turkish restaurant.

Naples, Florida

Adults-only day and medical spa in Old Naples offering massages, facials and monthly Botox/filler visits from Dr. Keamy, with a $155 signature facial.

Palm Beach, Florida

A small downtown West Palm Beach massage studio offering deep tissue, Swedish, and Hawaiian Lomi Lomi massage by reservation.

San Diego, California

A walk-in day spa in San Diego's Hillcrest neighborhood with massage, cryotherapy, salt therapy and a $100 all-day wellness pass.

Lake Como, Lombardy

A day spa inside the Castello di Casiglio parkland near Erba, offering a 3-hour pass with heated indoor-outdoor pools, saunas and a Turkish bath; adults and

Austin, Texas

Medical spa on Rainey Street in downtown Austin offering Botox, fillers, laser, facials and semaglutide weight-loss care by appointment only.

Dallas, Texas

Hotel spa in Oak Lawn with six treatment suites, gender-specific steam rooms and a lounge, open to walk-ins Wednesday through Sunday.

Portland, Oregon

A Finnish-style sauna and bodywork space in Portland's Hosford-Abernethy area, open daily with walk-in and membership access.

Austin, Texas

A one-room massage and skincare studio inside the Casa de Luz wellness village in Zilker, built around Lomi Lomi and personalized bodywork.

Portland, Oregon

Day spa on McMenamins' Edgefield estate in Troutdale offering massage, nails, body treatments and a heated saltwater soaking pool, 18+.

Macomb County, Michigan

A budget-friendly day spa in Shelby Township, MI offering facials, body sculpting and a sauna, steam room and thermal pool for adults.

Tenerife, Canary Islands

Hammam and massage spa inside Hotel AluaSoul in Costa Adeje, with a hydrotherapy circuit, Moroccan rituals and day passes for walk-ins.

Mexico City

Upscale adult-only day spa in Roma Norte with a six-treatment menu built around massage, skin care and one of the city's more elaborate hydrotherapy circuits.

Seville, Andalusia

Reservation-only day spa in Seville with a thermal circuit, relaxation lounge and nine treatments; minimum age 16, no walk-ins.

Chicago, Illinois

A West Town day spa built around bath soaks with handmade organic soaking oils and natural teas, plus massage and skincare, adults only.

Edinburgh, Scotland

One Spa is an adults-only day spa in Edinburgh's city centre with a rooftop Hydropool, thermal suite and day-pass access.

Chicago, Illinois

Reservation-only med spa inside Phenix Salon on Michigan Avenue focused on organic facial and lymphatic treatments, no walk-ins or day passes.

Palm Springs, California

A men-only massage spa in downtown Palm Springs with private suites, a table-shower wet room, and about a dozen treatments including body scrubs and massage.

Washington, D.C., District of Columbia

Facial and skincare studio in Dupont Circle, D.C., operating since 1994, focused on facials, peels and face mapping; reservation only.