Spas with reservation required

Atlanta, Georgia

A moderately priced day spa in Inman Park, Atlanta, open daily with walk-ins welcome, though reservations are recommended.

Dearborn, Michigan

A Dearborn day spa focused on Japanese head spa treatments, plus massage and facials, with sauna and steam room on site.

Calistoga, California

A Calistoga day spa with eight treatments on the menu, including options for couples, open seven days with reservations recommended.

The Hamptons, New York

Day spa in Greenport, North Fork, offering head spa treatments, facials, massage, and hair services, with walk-ins and reservations both accepted.

Tucson, Arizona

A resort day spa at Westward Look in Tucson with a thermal pool, sauna, steam room and cold plunge, open daily 9am-6pm by reservation.

Tucson, Arizona

A moderate-priced day spa in Tucson's Sam Hughes neighborhood offering massage, facials, nails and waxing, with combo spa days from $129 to $315.

Tucson, Arizona

A massage-focused day spa in Tucson near Casino del Sol, offering Swedish, deep tissue and signature treatments for solo guests and couples.

Scottsdale, Arizona

A Central Scottsdale massage studio offering Thai, Swedish-style, deep tissue, prenatal and couples massage daily from 9am to 9pm.

Orlando, Florida

A massage-focused day spa in Orlando's Colonialtown South offering therapeutic and relaxation treatments, open daily with walk-in and reservation options.

Calistoga, California

Day spa in Santa Rosa offering massage, body scrubs and wraps, facials and eyelash extensions, open daily 9am to 8pm with couples treatments available.

San Diego, California

A locally owned Bankers Hill day spa since 2006 offering massage therapy, organic facials and clinical skincare, including couples treatments.

Seattle, Washington

A themed-suite day spa in Seattle's SODO district offering massages, facials, couples packages and a few overnight suites.

Philadelphia, Pennsylvania

Hotel spa on the third floor of The Rittenhouse overlooking Rittenhouse Square, with massage, facials, body treatments and a salon.

Las Vegas, Nevada

Adults-only day spa inside Red Rock Resort in Summerlin, open daily 8am-8pm with walk-ins accepted but reservations recommended.

Orlando, Florida

Hotel spa at the Rosen Centre on International Drive in Orlando, offering massages, facials, nail care and access to a steam room, pool and fitness center.

Palm Springs, California

Downtown Palm Springs day spa built around a natural hot mineral spring, with private mineral baths, sauna, steam room and massage.

Asheville, North Carolina

A day spa in a converted barn on Horse Shoe Farm near Asheville, offering massage and body treatments amid farm and mountain surroundings.

New Delhi, Delhi

Day spa in Defence Colony, New Delhi offering Balinese, aromatherapy and Swedish massages from Rs. 3000, open daily 9am–11pm.

Springboro, Ohio

A wellness center in Springboro, Ohio built around a natural salt cave, with energy healing, sound baths and metaphysical classes for individuals or groups.

Fez, Fès-Meknès

Family-run hammam and day spa in Fez's Ville Nouvelle offering traditional scrub-and-massage packages, a jacuzzi, sauna and à la carte beauty treatments.

Hudson Valley, New York

Hotel spa inside The Abbey Inn in Peekskill, overlooking the Hudson River, with six treatments including a Japanese head-and-foot package.

Dublin, Leinster

An outdoor barrel sauna and cold plunge pool setup in Saggart, Dublin, booked in 50-minute sessions for groups and couples.

Cotswolds, England

A wood-fired riverside sauna at Whichford Mill in the Cotswolds, with a cold-plunge bath, river dipping, and both private and communal sessions.

Los Angeles, California

A West LA day spa focused on scalp treatments, facials and massage, with walk-ins welcome most days from 10 or 11am to 8pm.