Spas with reservation required

Santa Barbara, California

A small boutique day spa on State Street in Santa Barbara offering facials, massages and body treatments by appointment, seven days a week.

Zanzibar

A moderate-priced day spa and hammam in Stone Town offering over 50 treatments, including Ayurvedic therapies and a sauna.

Dallas, Texas

A no-frills massage studio in North Dallas offering Swedish, deep tissue and its own signature treatment, plus in-home and office visits by appointment.

San Diego, California

Independent massage studio in San Diego's Little Italy offering therapeutic bodywork, hot stone and couples treatments since 2009.

Carmel-by-the-Sea, California

A Monterey day spa open since 1999, offering massage, facials, waxing and skin treatments with reservations recommended daily from 9 to 5.

Nashville, Tennessee

A Belle Meade day spa and salon offering massage, facials and hair services by appointment, with no walk-in facility pass.

Las Vegas, Nevada

A no-frills massage and facial day spa on West Flamingo Road in Las Vegas, open daily 10am to 8pm with walk-in and reservation options.

Palm Beach, Florida

A day spa in Palm Beach Gardens offering couples treatments, open daily except Wednesday, with moderate pricing and walk-in availability.

South Jordan, Utah

A day spa and wellness center in South Jordan, Utah, with a salt room, infrared sauna, cold plunge, float therapy and a yoga studio.

San Diego, California

Neighborhood day spa in Mission Hills offering massage, facials, acupuncture and waxing, with couples treatments and walk-in or booked visits.

Ubud, Bali

An adults-only wellness retreat on Ubud's Ayung River offering multi-day healing programmes, thermal circuits and plant-based cuisine by reservation only.

Nashville, Tennessee

Float Horizen is a day spa in Nashville's East End offering sensory-deprivation float tanks, infrared sauna, massage and sound meditation sessions.

Key West, Florida

A day spa just off Duval Street in Key West offering massage, facials, waxing and a Vichy shower, with walk-ins possible but reservations preferred.

Tucson, Arizona

Day spa in Tucson's La Encantada shopping center with a thermal circuit of sauna, steam room, cold plunge and soaking pools.

Asheville, North Carolina

A West Asheville day spa offering massages, facials and lymphatic therapy, with walk-ins welcome and reservations recommended.

San Diego, California

A massage-focused day spa in San Diego's Gaslamp District offering Swedish, deep tissue and hot stone sessions daily from 10am to 11:30pm.

Mérida, Yucatán

Resort spa on the grounds of Hacienda Xcanatun near Mérida, with a pavilion over a pond offering Asian-style massages and facials by reservation.

Catskills, New York

A moderate-priced day spa in Lake Katrine near Catskills offering massage, reflexology and facials, open daily 9am to 10pm.

Philadelphia, Pennsylvania

Day spa in Jenkintown near Center City Philadelphia offering couples massages, facials, mani-pedis and body treatments.

Carmel-by-the-Sea, California

A moderate-priced day spa in Carmel-by-the-Sea offering massage for individuals and couples, open daily from 9am to 9pm.

New York City, New York

A Financial District day spa on Greenwich Street offering private-room facials, massage and body treatments, open daily with walk-ins and reservations.

San Francisco, California

A Mission District day spa in San Francisco focused on massage and facials, founded by massage therapist Candace Combs.

Scottsdale, Arizona

Hammam-inspired hotel spa at Omni Scottsdale Resort & Spa at Montelucia in Paradise Valley, with private suites and massage, facial and body treatments for

Hudson Valley, New York

A moderate-priced day spa in Cornwall-on-Hudson offering massage, facials, laser treatments and waxing, open most days with both walk-in and reservation