Spas with reservation required

San Francisco, California

A boutique day spa in San Francisco's SoMa district offering massage, facials, nails and waxing, plus a retail skincare boutique and relaxation lounge.

Charleston, South Carolina

A cottage-style day spa on Johns Island outside Charleston offering facials, body treatments and energy work by appointment only, Monday through Friday.

San Diego, California

A La Jolla medical spa specializing in lymphatic drainage, colon hydrotherapy and detox treatments, open since 1993, adults only, by reservation.

Hudson Valley, New York

Affordable day spa in Fishkill offering massage, head spa and foot relaxation, open daily 10am to 9pm with walk-ins welcome.

Key West, Florida

A medical spa in Key West offering injectables, laser treatments, HydraFacial, and RF microneedling, open daily by appointment.

Colorado Springs, Colorado

A moderate-priced holistic wellness center in West Colorado Springs offering dry salt therapy, massage, yoga and occasional sound-healing or cacao ceremonies.

New York City, New York

A TriBeCa medical spa offering body contouring, injectables and massage alongside a day-spa menu, open daily 9am-9pm.

Berkshires, Massachusetts

A Lanesborough day spa offering facials, massage, and laser hair removal, with about 11 treatments by appointment only, no walk-in day pass.

Houston, Texas

An upscale day spa in Houston's Montrose/River Oaks area offering massage, facials and waxing in private suites, open daily 10am-9pm.

Philadelphia, Pennsylvania

Essent Spa is a physician-led medical spa in Bryn Mawr, on Philadelphia's Main Line, offering Botox, fillers, laser treatments and body contouring by

Tampa, Florida

Adult-focused day spa in North Tampa offering facials, massage, waxing, infrared sauna and salt therapy, open daily with walk-ins welcome.

Canggu, Bali

Open-air Balinese day spa on Jl. Pantai Batu Bolong in Canggu, with 38 treatment rooms covering massage, beauty, hair and spa packages.

Palm Springs, California

A Palm Springs day spa offering massage, skin, hair and nail services, with couples treatments and walk-in appointments by reservation.

Naples, Florida

Gs Med Spa is a medical spa in Coquina Sands, Naples, built around massage therapy for solo visitors and couples.

Granada, Andalusia

A traditional-style hammam in central Granada with a heated thermal pool and relaxation lounge, open daily from 9am to midnight.

Seattle, Washington

Bellevue massage studio in the Crossroads area offering Swedish, deep tissue and couples massage plus sauna and steam room access, walk-ins welcome.

Seattle, Washington

Private-rental bathhouse and sauna in Capitol Hill, Seattle, open daily 8am–midnight, clothing optional and booked by reservation only.

Koh Samui, Surat Thani

Kamalaya Koh Samui is an adults-only destination spa and wellness retreat on Laem-Set Rd with over 100 treatments, thermal circuits and multi-day health

Cleveland, Ohio

Tremont day spa in Cleveland focused on scalp treatments, facials and massage, with a private original location for couples.

Santa Barbara, California

A reservation-based day spa in downtown Santa Barbara built around private infrared sauna, salt room and cold plunge sessions.

Chicago, Illinois

Upscale day spa in Lincoln Park, Chicago, where booking any treatment unlocks all-day access to a hydrotherapy circuit, thermal suite and outdoor terrace.

San Francisco, California

Oakland float and sauna studio near Grand Lake with private float tanks, infrared sauna cocoons and cryotherapy, open daily 11am-8:30pm.

Lanzarote, Canary Islands

A treatment-focused day spa in Puerto del Carmen, Lanzarote, offering around 20 massage and facial options from €42, open daily 10am-7pm.

Koh Phangan, Surat Thani

Day spa in Ban Tai, Koh Phangan, with massages, baths and multi-hour packages for solo guests or couples, plus private suites and a sauna.