Spas with adults only

Washington, D.C., District of Columbia

A hotel spa inside the Waldorf Astoria on Pennsylvania Avenue NW, open daily with adults-only access and both day-pass and guest-only policies listed.

Atlanta, Georgia

An adults-only hotel spa in Buckhead with private treatment suites and a relaxation lounge, open daily with a day-pass option.

Texas Hill Country, Texas

A medical spa on San Antonio's Far West Side offering massage, facials, injectables and laser hair removal, open weekdays and Saturday mornings.

Mexico City, Ciudad de México

An adults-only day spa for couples on Paseo de la Reforma in Cuauhtémoc, Mexico City, open daily from 9am to 8pm.

Scottsdale, Arizona

A skincare-focused day spa in South Scottsdale offering facials and treatments using SkinBetter and GlyMed product lines, open weekdays by appointment.

Tucson, Arizona

A Japanese-style head spa in a Tucson medical plaza, offering scalp treatments and massage with walk-ins or booked appointments.

Boston, Massachusetts

A moderately priced day spa for adults in Boston's South End, open daily with both walk-in and reservation options.

Vichy, Auvergne-Rhône-Alpes

A Vichy thermal spa offering medically prescribed 18-day cures for digestion and joint pain, plus shorter day-pass wellness sessions using mineral-rich local

Boston, Massachusetts

A day spa on Lewis Wharf in Boston's North End, open daily 8am–9pm, geared toward adults and couples at moderate prices.

Çeşme, İzmir

A day spa in Çeşme's Dalyan district near Alaçatı, open daily 10am to 11pm, geared toward adults and couples with reservations required.

Lima

A Korean-style spa in Surco, Lima, open daily except Sunday, adults only, with walk-ins welcome but reservations recommended.

Austin, Texas

A downtown Austin day spa built around a salt room, open to walk-ins and adults only, with hours that shift daily.

Dublin, Leinster

A walk-in sauna bathhouse for adults in Grangegorman, Dublin 7, open daily with no booking required.

Catskills, New York

Affordable adults-only bathhouse with sauna on a day-pass basis in Germantown, in the Catskills/Hudson Valley region of New York.

Austin, Texas

A walk-in day spa in Austin's Holly neighborhood, open to adults with moderate pricing and Sunday hours listed as all-day.

Charleston, South Carolina

A walk-in day spa in West Ashley, Charleston, open daily 9:30am to 9pm, with moderate pricing and an adults-only policy.

Calistoga, California

A 25-room Sonoma hotel in Forestville with a spa barn offering sauna, steam and pools, mainly for overnight guests.

Denver, Colorado

A walk-in day spa for adults in Denver's Civic Center neighborhood, with listed hours only for Sunday.

Seattle, Washington

A downtown Seattle yoga studio with heated and unheated vinyasa, sculpt and hatha classes, plus a sauna, steam room and pools for after class.

Houston, Texas

A Montrose day spa in Houston open daily from 10am to 9pm, taking both walk-ins and reservations for adults.

Nashville, Tennessee

Adults-only hotel spa at the Conrad Nashville in Midtown, open to hotel guests and available by day pass at an upscale price point.

Chicago, Illinois

Adults-only day spa in Chicago's Fulton Market District, with upscale pricing and both walk-in and reservation options.

Oak Creek, Wisconsin

A Oak Creek, WI massage clinic and day spa with adults-only access, listed hours only on Sunday, and a moderate price tier.

Calistoga, California

Holistic Healing Day Spa is an adults-only day spa in Calistoga, California, accepting both walk-ins and reservations at a moderate price point.