Spas with reservation required

Idaho City, Idaho

A reservation-only hot springs soak in Idaho City with private tubs, a steam room and a $30 day pass, open five days a week.

Miami, Florida

Hotel spa inside Trump National Doral with 42 treatments, couples massages, sauna, steam room, cold plunge and jacuzzi, open daily 9am-7pm.

Philadelphia, Pennsylvania

Hotel spa in Center City Philadelphia with a heated indoor saltwater pool, fitness center and day-pass access for non-guests.

Washington, D.C., District of Columbia

A massage, facial and body-treatment day spa in Adams Morgan, open daily 9am–10pm, with couples treatments and no day-pass option.

Washington, D.C., District of Columbia

A Georgetown day spa with 19 treatments, from massage to acupuncture, open daily 9am–10pm with couples options.

Washington, D.C., District of Columbia

A Navy Yard day spa with 19 treatments including massage, facial and body work, open daily 9am-10pm, walk-ins welcome but booking recommended.

Charleston, South Carolina

Day spa in West Ashley, Charleston, offering massage, skin care, body treatments and prenatal services alongside an on-site salon.

Rogaška Slatina, Savinjska

Wellness center at Grand Hotel Rogaška in Rogaška Slatina, Slovenia, with pools, saunas and fitness; day pass available by reservation.

Gold Coast, Queensland

A 90-minute hydrotherapy circuit in Southport with a Finnish rock sauna, 5° ice baths and hot/cold magnesium pools, day pass $49.

Dallas, Texas

A Park Cities day spa and med spa in Dallas offering massages, facials and injectables, open daily 9am to 9pm with walk-ins welcome.

Austin, Texas

Combined day spa and med spa on South Lamar in Zilker, open daily 9am-9pm with 42 treatments including massage, facials and injectables.

Atlanta, Georgia

Upscale Buckhead day spa offering massages, facials and body treatments, with couples rooms and a quiet lounge; no day pass, treatments booked individually.

Houston, Texas

Luxury day spa near Houston's Galleria with massage, facial and body treatments, a salt room and infrared sauna; reservations only, no walk-ins.

Charleston, South Carolina

A 52-treatment luxury day spa in Mount Pleasant near Charleston, with Vichy showers, couples suites and a $370 signature package; reservations required.

Houston, Texas

A luxury day spa in Vintage Lake Reserve, Houston, with 31 treatments, couples options, and a $335 signature calming retreat; open Mon–Sat, 9am–6pm.

The Colony, Texas

A day-soaking spa in The Colony with mineral pools at varying temperatures, seven saunas, cold plunges and a poolside café.

New York City, New York

Midtown Manhattan day spa with 13 treatments, a jacuzzi and package deals for couples, birthdays and bachelorette groups.

New York City, New York

A Midtown East day spa in Manhattan offering massages, facials, mani-pedis, a hot tub lounge and package deals for couples, birthdays and bachelorette groups.

Denver, Colorado

A couples-focused massage spa in Auraria, Denver, offering private-room treatments daily from 9am to 9pm with walk-ins accepted.

New York City, New York

A walk-in day spa on MacDougal Street near Washington Square Park, focused on body massage, deep tissue work, and couples sessions.

Palm Springs, California

A Palm Springs day spa offering massage, skin, hair and nail services, with couples treatments and walk-in appointments by reservation.

Tucson, Arizona

Nature's Spa is a day spa in Tucson's Colonia Verde Plaza offering a dozen massage and bodywork treatments, with couples sessions and daily walk-in hours.

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.

Palm Beach, Florida

A Juno Beach day spa with sauna, steam room and pool, offering massages, facials and couples treatments since 2008.