Spas with walk-ins welcome

New York City, New York

A 24-hour Korean jjimjilbang-style day spa in Midtown Manhattan with saunas, a soaking tub, and a $135 body-scrub signature treatment.

Miami, Florida

A Peruvian-themed day spa inside the Victor Hotel on Ocean Drive, South Beach, with a hamam, steam room, sauna and a couples suite.

Oslo

Waterfront sauna spot on Aker Brygge with shared and private saunas, sea bathing, and sauna boat trips on the fjord.

San Diego, California

A walk-in day spa in San Diego's Hillcrest neighborhood with massage, cryotherapy, salt therapy and a $100 all-day wellness pass.

Bishop, California

A century-old natural hot springs pool near Bishop in the Eastern Sierra, with a cooling waterfall, a separate hot soak, and simple day-use facilities.

Naples, Florida

A small Thai massage studio in Old Naples offering traditional Thai bodywork, Swedish massage, and prenatal treatments with walk-in availability.

Bad Kissingen, Bavaria

Thermal bath and sauna park in Bad Kissingen with 10 indoor/outdoor pools, nine saunas and a day pass around €40.

Chicago, Illinois

Day spa in Burr Ridge, about 20 miles outside Chicago, built around a hydrotherapy circuit with whirlpool, cold plunge and steam room.

Reykjavik, Capital Region

A tiny free geothermal footbath on the Seltjarnarnes coast near Reykjavik, good for warming your feet while watching the sunset or northern lights.

Seoul

A small day spa in Seoul's Daehak-ro area offering aroma therapy massage, open daily except Monday, walk-ins welcome.

Saint-Malo, Brittany

A seafront thalassotherapy center in Saint-Malo with an Aquatonic seawater pool circuit, day passes, and multi-day cure packages in a Belle-Époque building.

Charleston, South Carolina

A King Street salon and spa in downtown Charleston combining Aveda hair and skin services with massage, facials, nails and bridal styling.

Portland, Oregon

A Finnish-style sauna bathhouse in Portland's Boise neighborhood offering day passes, memberships, and a handful of massage and facial treatments.

Portland, Oregon

A Northwest Portland massage studio built around customizable, couples-friendly bodywork, with add-ons like cupping and hot stones, open daily 7am to 10pm.

Santa Cruz, California

A communal hot-tub and sauna garden in Santa Cruz, modeled on a Japanese bathhouse, with day passes, private rooms, and massage add-ons.

Scottsdale, Arizona

Day spa in South Scottsdale offering massage, facials and body treatments, with walk-ins and couples appointments by reservation.

Portland, Oregon

A Bethany Village day spa in Portland offering massages, facials and waxing across 18 treatments, with an infrared sauna and couples rooms.

Tucson, Arizona

A moderate-priced day spa in Tucson's Tangerine Acres neighborhood offering four treatments, an aromatherapy blending bar and vegan manicures, open daily

Tucson, Arizona

Hotel spa at Omni Tucson National Resort with 12 treatment rooms, a couples suite, salon services, and day passes open to both guests and locals.

Monroe, Utah

Natural hot spring pools fed by mineral water in rural Monroe, Utah, open 24/7 with day-pass soaking and funky bus and cabin lodging on site.

Munich, Bavaria

A Jugendstil bathhouse from 1901 in Haidhausen with two swimming halls, a Roman-Irish steam bath and sauna, day pool pass from €5.80.

Sedona, Arizona

Day spa in Sedona offering massage, medi-spa facials, acupuncture, Ayurveda and nail services, with group and couples bookings.

Napa Valley, California

A Napa day spa built around massage and bodywork—couples sessions, reiki, assisted stretch—with walk-in slots and street parking.

Atlanta, Georgia

Day spa and med spa in Brookhaven Village offering massages, facials and injectables like Botox and filler, open daily 9am-9pm by reservation.