Spas with upscale

Puyehue, Los Lagos

A forest resort spa in Puyehue, Chile, with volcanic thermal pools and outdoor baths, open only to hotel guests.

Hudson Valley, New York

A second-floor day spa on Main Street in Goshen, NY, specializing in four customizable facials priced from $175 to $225.

Tucson, Arizona

Lakeside Spa at this 398-room desert resort in Tucson is open to hotel guests only, with two heated pools, a Jacuzzi and mountain views of Catalina range.

Bursa

Hotel spa in Bursa's Çekirge thermal district, guests-only access, with a thermal pool, hamam rituals and massage packages tied to multi-night stays.

Miami, Florida

A Brickell medical spa running 18 categories of non-invasive aesthetic treatments, including Botox, fillers and a signature facial, weekdays only.

Dallas, Texas

Mokara Spa is the full-service hotel spa inside Omni Dallas Hotel in the Downtown Historic District, open to hotel guests.

Dallas, Texas

A hotel spa at Omni Las Colinas in Irving, Texas, with an outdoor pool and bath area, open to hotel guests along Lake Carolyn.

San Diego, California

A resort spa on a 44-acre Mission Bay island in San Diego, open to hotel guests, with sauna, steam room and pool access.

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.

Punta Cana, La Altagracia

Upscale day spa in Punta Cana offering massages, facials, a thermal pool and ocean-view relaxation lounges, open daily 9am-7pm.

San Diego, California

Day spa in San Diego's Bankers Hill offering facials, massage and couples treatments, open daily except Saturday.

Scottsdale, Arizona

Hotel-guests-only spa at Scottsdale's Kimpton Miralina, with sauna, cold plunge and desert-inspired massages, mud wraps and facials.

Key West, Florida

Hotel day spa at Casa Marina in Key West offering ocean-view massages, facials and beachside yoga, walk-ins welcome.

Barcelona, Catalonia

Rooftop day spa at Casa Bonay hotel in Eixample with dry sauna, hammam, ice bath and a Japanese ofuro, booked by small-group circuit or free use.

Asheville, North Carolina

Resort spa on an 85-acre Hendersonville farm near Asheville, with massage treatments in a converted horse barn, day passes, and a pool with sauna, steam and

Boracay, Aklan

A hotel spa inside The Lind Boracay on Station 1 of White Beach, open daily 11am–11pm, reserved for hotel guests.

Santa Fe, New Mexico

Hotel spa at La Fonda on the Plaza in downtown Santa Fe, with a heated outdoor pool, hot tub, fitness center and relaxation lounge for guests of the hotel.

Houston, Texas

Physician-guided medical spa on the second floor of the Blossom Hotel in Houston's Medical Center Area, offering aesthetics, laser and recovery-focused

Leukerbad, Valais

Thermal baths inside a 19th-century hotel in Leukerbad, Valais, with mineral-rich pools open daily from 9am to 8pm.

The Hamptons, New York

A membership-based wellness club in Southampton with a stadium-seating sauna, cold plunge pools, treatment suites and group classes.

Scottsdale, Arizona

Adults-only resort spa in Fountain Hills with sauna, steam room and outdoor pools, offering day passes and an amethyst facial as its signature treatment.

Kauai, Hawaii

Open-air hotel spa at Grand Hyatt Kauai in Poipu, offering massage, facial and body treatments with Hawaiian botanical ingredients, by reservation.

Sonoma, California

Upscale day spa in Sonoma offering facials, bodywork, Endermologie and sound healing, with a relaxation lounge and membership option.

Miami, Florida

Upscale day spa in Downtown Miami offering massage, facials, laser hair removal and a relaxation lounge, open Tuesday through Saturday.