Spas with reservation required

Byron Bay, New South Wales

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

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.

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.

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.

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.

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.

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.

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.

Sun Valley, Idaho

Small Ketchum day spa offering facials, micro-dermabrasion, massage and reflexology by appointment only.

Los Angeles, California

A Santa Monica Ayurvedic practice offering traditional bodywork, consultations and seasonal cleanses by appointment, Monday through Friday.

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.

Lake Tahoe, California

Lakeside day spa in Tahoe City offering massage and Dermalogica facials, open daily 9am-7pm, operating for 35 years.

Hudson Valley, New York

A by-appointment boutique day spa in Putnam Valley, NY, serving solo travelers and couples with reservation-only visits.

Napa Valley, California

A Napa day spa combining massage and facial treatments with a retail shop of clean-ingredient skincare products, open by appointment six days a week.

Nashville, Tennessee

A boutique day spa in Nashville's Urbandale Nations offering massages, facials and brow services, with moderate pricing and seven-day hours.

Los Angeles, California

A downtown Los Angeles day spa open daily from 9am to 9:30pm, geared toward solo visits and couples.

Hudson Valley, New York

A French-inspired hotel spa in the center of Rhinebeck village, open to overnight guests by reservation.