Spas with walk-ins welcome

Los Angeles, California

Esthetician-run skincare studio in Del Rey offering facials, acne treatment and micro-infusion, with Japanese-language service available.

Philadelphia, Pennsylvania

A second-floor day spa near Rittenhouse Square offering skincare, scalp analysis and its signature Aroma Chakra Balancing Therapy, with a membership discount

Baden bei Wien, Lower Austria

A thermal bath in Bad Vöslau with four mineral-water pools fed by the original Vöslauer spring, plus sauna and steam room.

Carmichael, California

A single-room salt cave in a Carmichael strip mall offering 45-minute salt therapy sessions for relaxation and respiratory relief.

San Diego, California

Alice in Wonderland-themed day spa in Mid-City San Diego focused on facials, massage and skincare since 2014, open daily 10am-7pm.

Lima

Day spa in San Isidro, Lima, offering massage, facial and body treatments, with walk-in access most days.

Guanziling, Tainan

A grayish mud hot spring in Baihe, Tainan, with outdoor baths and a thermal pool, open daily from 9am to 11:30pm.

Glenwood Springs, Colorado

A Sanctuary Spa & Salon is an adults-only day spa and salon in downtown Glenwood Springs open daily except Sunday.

Aspen, Colorado

A day spa in downtown Aspen offering massage, yoga therapy, cupping, and energy work, open daily 9am–8pm for adults and solo travelers.

Taos, New Mexico

A skincare studio in Taos offering personalized facials and precision sugaring with plant-based, science-backed products.

Tucson, Arizona

A Tucson medical spa focused on acne, pigmentation and anti-aging facials, with customized treatments from licensed estheticians.

Scottsdale, Arizona

A day spa in Scottsdale's Paradise Valley Village open daily 8:30am–5pm, with walk-ins accepted but reservations recommended for couples and solo treatments.

Djerba, Medenine

A day spa in Djerba's Ouled Amor tourist zone, open daily from 8am to 7pm, welcoming both walk-ins and reservations.

Asan, South Chungcheong

Hot springs resort spa in Asan with thermal pools, sauna and a relaxation lounge, open daily on a walk-in day-pass basis.

Redstone Historic District, Colorado

A ranch property in Colorado's Crystal River Valley with three tiered natural hot springs pools open to day visitors and overnight guests alike.

Santa Fe, New Mexico

A Santa Fe day spa combining yoga, pilates and nia classes with spa treatments, a café and a boutique, open daily 9am–7pm.

Bad Kissingen, Bavaria

A Bavarian state-run thermal bath in Bad Kissingen offering day passes with walk-in access, open most days including evenings.

Portland, Oregon

A walk-in bathhouse in Portland's Hazelwood neighborhood with a sauna, open daily from 10 a.m. to 10 p.m. for adults only.

Berkshires, Massachusetts

A Great Barrington massage spa built around the signature Marshall Method treatment, with Swedish, deep tissue, prenatal and couples massage options.

Palm Springs, California

Adults-only day spa in downtown Palm Springs, open daily 9am to 6pm, with moderate pricing and both walk-in and reservation options.

Miami, Florida

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

Băile Felix, Bihor

A thermal baths complex in Băile Felix with outdoor and indoor pools, open daily with walk-in access and no membership required.

Portland, Oregon

Adults-only hotel and thermal springs on NE Alberta St in Portland, with vitality pools, a day-pass option, and spa treatments.

Singapore

A yoga-focused wellness space inside COMO Orchard offering more than 15 class styles, from Iyengar to Yin, with walk-ins welcome.