Spas with reservation required

Jacksonville, Florida

Medical spa in Northside Jacksonville offering facials, body contouring and VelaShape treatments, open daily except Sunday with reservations recommended.

Miami, Florida

A medical spa in Brickell's Latitude One building offering Botox, IPL photofacials, body contouring and massage by appointment.

Napa Valley, California

A medical spa in downtown Napa offering facials, injectables and nonsurgical body contouring, formerly Lift Aesthetics, now under the Destination Aesthetics

Scottsdale, Arizona

A reservation-only medical spa in South Scottsdale's Old Town area focused on non-invasive red light skin rejuvenation treatments.

Houston, Texas

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

Santa Fe, New Mexico

A moderate-priced day spa in Santa Fe offering therapeutic massage, open most days except Tuesday and Wednesday.

Palm Beach, Florida

A Palm Beach Gardens day spa offering massage, reflexology, facials and acupuncture, open daily 10am-9pm with walk-ins welcome.

Dallas, Texas

A medical-leaning day spa in Vickery Meadow, Dallas, focused on facials and body-contouring treatments like ultrasonic cavitation.

Manuel Antonio, Puntarenas

A destination spa with outdoor thermal pools near Manuel Antonio, Costa Rica, open daily with reservations required.

Boca Raton, Florida

A day spa in downtown Boca Raton open daily 9am-8:15pm, offering facials, massage, body treatments and nail services since 1996.

Valle de Bravo, State of Mexico

An adults-only luxury wellness retreat on the shore of Lake Avándaro in Valle de Bravo, built into a rock formation and run by reservation only.

Charleston, South Carolina

A reservation-only day spa in Charleston's French Quarter offering massage, skincare and sugaring in a quiet, adults-only setting.

Byron Bay, New South Wales

Hotel day spa at Crystalbrook Byron offering customizable massages and facials, open daily with Sunday by appointment only.

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.

Beitou, Taipei

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