Spas with reservation required

Santa Barbara, California

Adults-only day spa on State Street in Santa Barbara built around Jurlique skincare, with a sauna and reservation-only treatments at the luxury end of the

Santa Barbara, California

A 6,000-square-foot medical and day spa in downtown Santa Barbara combining skincare procedures with massages, facials and body treatments.

Sonoma, California

Evolving Esthetics is an adults-only day spa in downtown Sonoma, open Tuesday through Saturday with both walk-in and reservation options.

Lake Tahoe, California

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

Napa Valley, California

A moderately priced day spa in Napa, open Tuesday through Saturday, 10am to 5pm, suited to solo visits or couples.

Encinitas, California

Adults-only day spa in Leucadia, Encinitas, about a mile from the beach, with private suites, a relaxation lounge and movement classes.

Palm Springs, California

Asian-style massage day spa in Palm Desert offering body massage, foot reflexology and acupressure, open daily 9am to 9pm.

San Diego, California

Day spa in Golden Hill, San Diego, specializing in organic facials, body treatments and waxing, with walk-ins welcome but reservations recommended.

Washington, D.C., District of Columbia

A Northwest D.C. head spa with a relaxation lounge, open daily with both walk-ins and reservations, adults only.

Sedona, Arizona

Massage-therapist-owned day spa in Sedona offering tailored bodywork by appointment or walk-in, open daily 9am to 6pm.

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.

Hudson Valley, New York

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

San Francisco, California

A reservation-only day spa on El Camino Real in San Bruno specializing in head spa therapy, scalp care and lash services for adults.

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.

Albuquerque, New Mexico

Hotel Zazz is an adults-only boutique hotel in Albuquerque's Nob Hill district with an on-site spa, heated pool and speakeasy lounge.

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.