Spas with reservation required

Nosara, Guanacaste

A Nosara practice offering yoga classes, private sessions, retreats and Kambo frog-medicine ceremonies, led by local teacher Yali, with reservations required.

New York City, New York

Adults-only day spa in Maplewood, NJ, offering deep tissue massage, bodywork and facials by appointment, open daily 9am-8pm.

Nashville, Tennessee

A moderate-priced day spa in Nashville's Edgehill neighborhood offering 8 facial-focused treatments, open daily with evening hours on weekdays.

Park City, Utah

Physician-led medical spa in Park City offering anti-aging, body sculpting, hair restoration and sexual wellness treatments 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

Adults-only day spa in Napa offering facials, massage, waxing and makeup services by appointment, open daily 9am to 7pm.

San Francisco, California

A moderate-priced day spa in San Francisco's Mid-Market/SoMa area, open daily with walk-in visits possible but reservations encouraged.

Nashville, Tennessee

A medical spa in South Nashville focused on noninvasive body sculpting and skin treatments, run by a former nurse, open most weekdays until 7pm.

Jackson Hole, Wyoming

Medical spa in downtown Jackson offering regenerative medicine, hormone therapy, weight loss programs and non-surgical skin treatments by appointment only.

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.

Portland, Oregon

Day spa and natural medicine clinic in NW Portland's Slabtown with sauna, hydrotherapy, massage, acupuncture and a vegan café on site.

Abu Dhabi

Ayurvedic clinic in Al Zahiyah, Abu Dhabi, offering doctor-led consultations and traditional treatments like Shirodhara, Abhyangam and Panchakarma.

Santa Barbara, California

A State Street halotherapy spa built around a large underground crystal salt cave, with massage, facials and a relaxation lounge.

Kandy, Central Province

An adults-only Ayurvedic retreat in the hills above Kandy, Sri Lanka, with overnight stays, yoga and a restaurant, but no day-pass access.

Scottsdale, Arizona

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

Santa Fe, New Mexico

A reservation-only medical spa in downtown Santa Fe focused on injectables, laser treatments and skin rejuvenation, open Monday through Thursday.

San Francisco, California

A medical spa in Union Square, San Francisco, focused on injectables, skin resurfacing, microneedling and body contouring, established in 2006.

Catskills, New York

An adults-only day spa in Livingston Manor in the Catskills, offering six treatments with moderate pricing and reservation-based booking.

New York City, New York

A French skincare brand's spa on the 7th floor of The Dominick hotel in SoHo, open daily for facials, massages and body treatments by reservation.

Transylvania County, North Carolina

All-inclusive multi-night wellness retreat in Pisgah Forest, NC, combining fitness classes, spa treatments, guided hikes and farm-to-table meals in private

Asheville, North Carolina

Ayurvedic destination retreat in the Blue Ridge Mountains near Asheville, with day-pass spa visits and multi-night panchakarma cleanses by reservation.

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.

Tucson, Arizona

Sora Head Spa is a small Japanese head spa and skincare studio inside R Salon Day Spa in Tucson's Sam Hughes neighborhood, offering scalp and facial treatments.