Spas with reservation required

Beitou, Taipei

A hot-spring resort in Beitou, Taipei with private suites, outdoor baths and overnight stays, open to day-pass visitors by reservation.

Washington, D.C., District of Columbia

A Dupont Circle-area day spa on Connecticut Avenue open daily into the evening, with both walk-in and reservation options.

Dubrovnik, Dubrovnik-Neretva

A day spa in Gruž, Dubrovnik, offering massage and body treatments for adults, open daily 8am to 8pm.

Napa Valley, California

A downtown Napa day spa offering massages, facials, body treatments, waxing and nail services a short walk from the town's restaurants and hotels.

Gothenburg, Västra Götaland County

A hammam in Gothenburg's Olivedal district offering traditional oriental-style treatments, open daily from 9am to 10pm.

Athens, Attica

A traditional hammam in central Athens offering steam bathing and a relaxation lounge, open daily, adults only, moderate pricing.

Fez, Fès-Meknès

A traditional hammam just inside Bab Boujloud in Fez's old medina, open daily from 11am to 8pm.

Maui, Hawaii

A nine-room resort spa on Maui's Road to Hana offering lomi lomi and lava-stone pōhaku wela massage, plus a eucalyptus steam room and cold plunge.

Hudson Valley, New York

A day spa in Rhinebeck Village offering skin and wellness treatments, with VIP memberships and walk-in availability by reservation.

Kapaau, Hawaii

An oceanfront eco-boutique hotel and wellness retreat on Hawaii Island's North Kohala coast, open to overnight guests only, not day visitors.

Philadelphia, Pennsylvania

A Chinatown day spa in Philadelphia offering Chinese medical massage and a relaxation lounge with herbal tea, open daily.

San Diego, California

A single-therapist day spa in Mira Mesa offering massage, facials, waxing and lash services, open Thursday through Saturday only.

Maui, Hawaii

A hillside day spa in Makawao specializing in traditional Hawaiian lomi lomi massage, open Tuesday through Sunday with reservations required.

North Royalton, Ohio

A North Royalton day spa built around a salt room and sauna, with adults-only halotherapy sessions on a walk-in or reserved basis.

Montecatini Terme, Tuscany

Adults-only hotel spa in Montecatini Terme built around a four-elements wellness philosophy, open daily 11:00-19:00 with day passes by reservation.

Ojai, California

A day spa in downtown Ojai offering massage, facials and nail services, open daily from 11am to 6pm.

Miami, Florida

A day spa inside the Icon Brickell complex in Miami, open daily from 6am to 10pm, with both walk-in and reservation access.

San Francisco, California

A Korean day spa in San Francisco's Western Addition offering massages and skin treatments, open daily to adults and couples.

Key West, Florida

A moderately priced day spa on Whitehead Street in Key West offering massage and beauty services, open daily from 8am to 10pm.

San Francisco, California

A Japantown bathhouse open for 50+ years, with a Japanese-style thermal pool and relaxation lounge, reservation required, adults only.

Seattle, Washington

A family-run day spa in Seattle's Madison Valley focused on massage therapy, open daily except Monday from 11am to 8pm.

Austin, Texas

Adults-only resort spa on Lake Austin offering all-inclusive overnight stays and limited day passes to pools, saunas, steam rooms and lake activities.

Las Vegas, Nevada

A Henderson day spa in MacDonald Ranch offering massage, facials and a Himalayan salt lounge, with walk-in and reservation options.

Koh Samui, Surat Thani

A day spa in Bo Phut, Koh Samui, open daily 9am to 11pm with a sauna and traditional Thai treatments for solo visitors and couples.