Spas with reservation required

Santa Fe, New Mexico

A downtown Santa Fe day spa and oxygen bar offering massage, energy work and blessing ceremonies alongside an on-site apothecary restaurant and wellness shop.

Park City, Utah

A sauna-and-cold-plunge day spa in Park City with memberships, private group buyouts, and reservation-only access.

Palm Beach, Florida

An adults-only skincare-focused day spa inside the Palm Beach Hotel, open daily except Sunday with reservations required.

Palm Beach, Florida

A moderately priced day spa and nail salon near Riviera Beach offering massage, aromatherapy, reflexology and nail services, open daily.

East Quogue, New York

Small East Quogue day spa run by owner Sharon, focused on European facials, peels and waxing, open by appointment Monday through Saturday.

Richmond Hill, Georgia

A reservation-only day spa for adults in Richmond Hill near Savannah, built around massage treatments, open Tuesday through Saturday.

Charleston, South Carolina

Physician-led medical and day spa in Charleston offering Botox, microneedling, facials and direct primary care under Dr. Sarah Relyea-Logan.

Naples, Florida

Day spa in Central Naples with a salt cave for halotherapy, plus massage, facials and yoga classes; walk-ins welcome but reservations recommended.

Des Peres, Missouri

A moderate-priced day spa in Des Peres, just west of St. Louis, open six days a week with a relaxation lounge and treatments geared toward couples and adults.

Nashville, Tennessee

A Gulch studio for infrared sauna and cold plunge sessions in private suites, open daily with reservations required.

Los Angeles, California

A wellness retreat in Westlake's Wilshire corridor offering cold plunge, sauna and movement classes, built around group and community sessions.

Aachen, North Rhine-Westphalia

Adults-only day spa in Aachen with a hydrotherapy circuit and relaxation lounge, open daily 10am–9pm, upscale pricing.

San Francisco, California

A Traditional Chinese Medicine spa in Pacific Heights offering acupuncture-rooted treatments and botanical skincare, open daily 9am-9pm.

San Francisco, California

Redmint on Union Street is a Traditional Chinese Medicine wellness and beauty spa in San Francisco, open daily 9am to 9pm.

Hot Springs, Arkansas

A moderate-priced day spa near Hot Springs National Park in Arkansas, open daily with both walk-in and reservation options.

Los Angeles, California

Medical spa in DTLA's Financial District offering injectables, lasers, microneedling, and body contouring by reservation.

The Hamptons, New York

Adults-only destination spa and 12-room retreat in Water Mill, offering hydrotherapy, yoga, spa treatments and overnight stays by reservation.

Houston, Texas

A moderate-priced day spa on the 23rd floor of a downtown Houston office tower, open Wednesday through Sunday with a relaxation lounge and sauna.

New York City, New York

An adults-only day spa on Mercer Street in Soho, open Thursday through Saturday by reservation only.

Lake Tahoe, California

A medical spa in South Lake Tahoe offering Botox, fillers, weight-loss injections, laser resurfacing and microneedling, by appointment only, adults only.

The Hamptons, New York

Day spa on Montauk Highway in East Hampton offering facials, massage, nails and waxing, open daily 9am–6pm since 2003.

Naples, Florida

Full-service day spa in central Naples offering massage, facials, microdermabrasion and dermaplaning, open daily except Sunday.

Carmel-by-the-Sea, California

A hotel spa inside Carmel-by-the-Sea's Hyatt Regency Monterey property, with hydrotherapy, sauna and a relaxation lounge for guests and couples.

Seattle, Washington

Spa Noir is a dark, moody day spa in Seattle's Belltown neighborhood, open daily from 11am or noon until 7pm.