Spas with upscale

Bridgetown, Christ Church

Hotel spa at Accra Beach Hotel in Christ Church, Barbados, with six treatment rooms, a sauna and steam room, open daily 8am-7pm for hotel guests.

Hunter Valley, New South Wales

A resort spa inside Avani Cypress Lakes in Pokolbin, open to hotel guests for treatments, thermal pools, outdoor baths and a fitness and yoga space.

Naples, Florida

A boutique hotel in downtown Naples with a heated outdoor pool, whirlpool spa and cabanas, open only to overnight guests.

San Diego, California

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

Calistoga, California

A 1952 Calistoga hot springs resort with three mineral pools at 85, 95 and 104°F, mud baths, overnight rooms and a day-pass option.

New York City, New York

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

Rogaška Slatina, Savinjska

A reservation-only medical spa and clinic in Rogaška Slatina combining diagnostics, wellness treatments and the region's magnesium-rich Donat mineral water.

Asheville, North Carolina

A medical spa in Asheville offering Botox, fillers, laser treatments and Hydrafacials, with board-certified providers and payment plans.

The Hamptons, New York

A medical day spa in East Hampton offering 22 botanical-based facials, massages and oncology-support treatments, open daily 10am–6pm.

Santa Fe, New Mexico

Hotel spa at the Eldorado in downtown Santa Fe offering massage and bodywork treatments; appointments required, no day pass.

Chicago, Illinois

Medical spa in River North, Chicago, offering lymphatic treatments, IV therapy, cryo and float tanks in a renovated historic building.

Olmué, Valparaíso

A boutique lodge and spa in the Olmué valley, about 80 minutes from Santiago, with a thermal pool, outdoor baths and day passes for non-guests.

Hilton Head Island, South Carolina

Hotel spa inside an oceanfront Hilton Head resort, offering massages, facials, body treatments and manicures to overnight guests.

Key West, Florida

A small, adults-only hotel spa on Sunset Key near Key West, open daily 9am–4pm with massages, mineral scrubs and HydraFacial treatments.

Amalfi Coast, Campania

An adults-only day spa in Minori on the Amalfi Coast built around a thermal pool, open daily 11am to 8pm by reservation.

Seattle, Washington

A med spa and beauty bar inside Seattle's Fairmont Olympic Hotel, open daily with facials, injectables, massage and nail services by appointment.

Mariánské Lázně, Karlovy Vary Region

Medical spa resort in Mariánské Lázně combining balneology, physiotherapy and Ayurveda programs, open only to overnight hotel guests aged 18+.

New Orleans, Louisiana

A medical spa in downtown New Orleans offering Botox, laser, and body contouring treatments by appointment, with free consultations to start.

San Francisco, California

Upscale day spa on Union Street in San Francisco's Cow Hollow, offering around 20 facial and massage treatments, including a signature Quadruple Lift Facial.

Atlanta, Georgia

A Buckhead med spa and day spa in Atlanta combining massage and facials with injectables, body sculpting and peptide therapy.

Oaxaca

A traditional four-door temazcal steam ceremony about 15-20 minutes outside Oaxaca city, paired with an ice-water plunge and overnight rooms.

Four Corners, Florida

Hotel spa at Omni Orlando Resort ChampionsGate offering massages, facials and nail services, open to day-pass guests as well as hotel guests.

Chicago, Illinois

A reservation-only medical spa in Streeterville, Chicago offering around 43 aesthetic and wellness treatments under a surgeon's medical direction.