Spas with reservation required

Sonoma, California

A Sonoma medical day spa run by a 25-year skincare specialist, offering non-toxic facials, microcurrent and micro-channeling treatments up to $350.

Columbia, Maryland

A luxury medical and day spa in Columbia's Town Center combining facials, massage and laser/injectable treatments with a thermal pool, sauna and steam room.

Denver, Colorado

A medical spa in Thornton offering Japanese head spa treatments, body wraps, chemical peels and B12 shots, with sauna, steam room and pool access.

Orlando, Florida

Medical spa in Orlando offering facials, massage, body contouring and couples packages, with an on-site sauna, steam room and thermal pool.

Boston, Massachusetts

A Finnish kelo-log banya in Newton with sauna, steam room and cold plunge, alternating men's and women's days, day passes from $69.

Sedona, Arizona

Day spa in Sedona offering massage, medi-spa facials, acupuncture, Ayurveda and nail services, with group and couples bookings.

Scottsdale, Arizona

A medical spa in central Scottsdale offering 32 treatments—facials, massage, Botox, and a bridal package—alongside a sauna, steam room and thermal pool.

Cockeysville, Maryland

A Cockeysville medical day spa blending clinical massage, sauna, steam and thermal pool with reiki, coaching and corrective exercise for chronic pain and

Napa Valley, California

Adults-only hotel spa in downtown Napa with thermal circuits, sauna, steam and cold plunge, plus massages, facials and medical aesthetics.

New York City, New York

Medical spa in Mountainside, NJ offering body sculpting, Botox and IV drip treatments alongside a sauna, steam room and pool, 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

New York City, New York

A no-frills medical spa in Manhattan built around lymphatic drainage therapy and acupuncture, open daily 10am to 9:30pm.

Chicago, Illinois

A medical spa in Chicago's Lincoln Park offering Botox, dermal fillers, laser hair removal, IPL and semaglutide weight-loss treatment, priced in the moderate

Milwaukee, Wisconsin

East Town Spa in Milwaukee's Juneau Town combines a full-service salon and med spa with a thermal circuit of sauna, steam, pools and cold plunge.

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.

Colorado Springs, Colorado

An adults-only medical day spa in Colorado Springs offering constitutional hydrotherapy, infrared sauna and homeopathy by appointment.

Scottsdale, Arizona

Medical spa in South Scottsdale offering skin and wellness treatments, led by a board-certified plastic surgeon, open weekdays and Saturday mornings.

Napa Valley, California

A medical spa in downtown Napa offering Botox, fillers, weight-loss injections, laser treatments and facials, open Thursday through Saturday by appointment.

Scottsdale, Arizona

Medical spa in Old Town Scottsdale offering injectables, laser treatments, facials and lymphatic drainage massage, by appointment only.

Sonoma, California

Medical spa in Sonoma, CA offering Botox, dermal fillers, microneedling and chemical peels by appointment, run by RN Tiffany Nunez.

Sonoma, California

Physician-led medical spa in downtown Sonoma offering Botox, fillers, laser and RF treatments, open weekdays by appointment.

Scottsdale, Arizona

A South Scottsdale day spa and medical facility offering massage and facial services, run by a licensed massage therapist and esthetician.

Tucson, Arizona

A Tucson medical spa focused on acne, pigmentation and anti-aging facials, with customized treatments from licensed estheticians.

Jacksonville, Florida

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