Spas with reservation required

Djerba, Medenine

A day spa in Djerba's Ouled Amor tourist zone, open daily from 8am to 7pm, welcoming both walk-ins and reservations.

Las Vegas, Nevada

A moderate-priced day spa in Las Vegas open Thursday through Monday, geared toward solo visitors and couples looking for a straightforward spa session.

Napa Valley, California

A massage-focused day spa in central Napa offering bodywork and skincare treatments with organic products, open daily except Wednesday.

The Hamptons, New York

A moderate-priced day spa in Mattituck on the North Fork, open daily except Sunday, with walk-ins accepted but reservations recommended.

Sonoma, California

Upscale day spa in Sonoma offering facials, bodywork, Endermologie and sound healing, with a relaxation lounge and membership option.

Berkshires, Massachusetts

A Great Barrington massage spa built around the signature Marshall Method treatment, with Swedish, deep tissue, prenatal and couples massage options.

Palm Springs, California

Adults-only day spa in downtown Palm Springs, open daily 9am to 6pm, with moderate pricing and both walk-in and reservation options.

Miami, Florida

Upscale day spa in Downtown Miami offering massage, facials, laser hair removal and a relaxation lounge, open Tuesday through Saturday.

Los Angeles, California

Briar Beauty Spa is a moderately priced day spa in Alhambra, open daily 9:30am to 8pm, with both walk-in and reservation options.

Hudson Valley, New York

Hotel spa at a small Hudson Valley inn on 75 riverside acres in Milton, NY, open to overnight guests by reservation while the spa undergoes renewal.

Washington, D.C., District of Columbia

A moderately priced day spa in Northwest Washington, D.C., open daily with both walk-in and reservation options for adults and couples.

Catskills, New York

A day spa in Liberty, New York, offering treatments for solo visitors and couples with walk-in and reservation options.

San Francisco, California

A moderate-priced day spa just off 24th Street in Noe Valley offering massage, facials, nail care, lash/brow work and waxing, with a relaxation lounge before

Los Angeles, California

A hotel spa at the Conrad Los Angeles in Downtown LA, open only to hotel guests by reservation, with an adults-only, couples-friendly setting.

Vail, Colorado

A locally owned massage studio inside The Wren in Vail offering full-length therapeutic sessions, from craniosacral therapy to Thai massage and cupping.

Jacksonville, Florida

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

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.

Santa Fe, New Mexico

A Santa Fe day spa focused on facials and skincare treatments, open Tuesday through Saturday with a relaxation lounge on site.

Dallas, Texas

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

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.

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.