Spas with groups

Houston, Texas

Vietnamese-style head spa in Houston's Alief district offering scalp massage, hair washing and facial treatments, open daily.

Catskills, New York

A resort spa in Mt Tremper, Catskills, offering treatments, a relaxation lounge and dining, open to both day-pass visitors and hotel guests.

Lake Tahoe, California

A wellness studio in Tahoe City offering reiki, massage, meditation, sound healing and yoga classes, open daily from 9am to 7pm.

Lake Tahoe, California

A resort spa inside Granlibakken's mountain lodging complex near Tahoe City, open to hotel guests with a pool, hot tub and yoga space on site.

Thermopolis, Wyoming

Free public bathhouse in Thermopolis, Wyoming, with indoor and outdoor mineral soaking pools held at 104°F, open seven days a week.

Palm Springs, California

A 10-room mineral hot springs hotel in Desert Hot Springs near Palm Springs, offering day passes to its 120°F spring-fed pools, sauna and massage rooms.

Karjalohja, Uusimaa

Lakeside resort spa on Lohjanjärvi in Karjalohja, about an hour from Helsinki, with a day pass, thermal pool, salt room and restaurant.

Hudson Valley, New York

A French-inspired hotel spa in the center of Rhinebeck village, open to overnight guests by reservation.

Berkshires, Massachusetts

A lakeside resort in Egremont with a seasonal pool and sauna for overnight guests only; no day passes and no spa treatments on offer.

Los Angeles, California

A wellness retreat in Westlake's Wilshire corridor offering cold plunge, sauna and movement classes, built around group and community sessions.

Naples, Florida

A hotel spa inside the Inn on Fifth in downtown Naples, open daily for massages, facials, nail services, sauna, steam room and lounge access.

Chicago, Illinois

Hotel spa on the fifth floor of theWit in downtown Chicago's Loop, open for day-pass massages most days of the week.

Denver, Colorado

Day spa in Greenwood Village offering massage, facials and lymphatic drainage treatments, open daily with reservations recommended.

Denver, Colorado

Day spa in Denver's Lowry Town Center offering massage, facials and a relaxation lounge, with robes and sandals provided for guests.

Atlanta, Georgia

A moderate-priced day spa in Atlanta's Old Fourth Ward offering massage, facials, body scrubs and pedicures, with walk-ins welcome.

Scottsdale, Arizona

A resort spa in Scottsdale's Arcadia area offering massages, facials, and body treatments, open to hotel guests and day-pass visitors alike.

Houston, Texas

A hotel spa inside The Laura Hotel in downtown Houston offering massage, facial and nail treatments for solo visitors, couples and groups.

Arima Onsen, Hyogo

Hotel spa in Arima Onsen with Arima's rare iron-rich "ginsen" waters, outdoor baths, sauna and jacuzzi, run as an all-inclusive overnight stay.

Catskills, New York

A small day spa in West Hurley near Woodstock offering facials, massage, waxing and advanced skincare, founded by esthetician Debbie Dougan.

Pai, Mae Hong Son

Affordable day spa near Pai's Wednesday Market open daily except Monday from 3pm to 9pm, with walk-in access and a sauna.

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