Spas with walk-ins welcome

Encinitas, California

Adults-only day spa in Leucadia, Encinitas, about a mile from the beach, with private suites, a relaxation lounge and movement classes.

North Royalton, Ohio

A North Royalton day spa built around a salt room and sauna, with adults-only halotherapy sessions on a walk-in or reserved basis.

Copenhagen, Capital Region

A Nørrebro day spa built around a salt room and sauna, open daily for walk-in visits, adults only.

Las Vegas, Nevada

A Henderson day spa in MacDonald Ranch offering massage, facials and a Himalayan salt lounge, with walk-in and reservation options.

Mumbai, Maharashtra

An Ayurveda-based day spa on Marine Drive in Mumbai offering massage, detox and beauty therapies with a relaxation lounge and yoga space.

Las Vegas, Nevada

Float tank, massage and salt therapy spot in Peccole Ranch, Las Vegas, open daily with walk-ins accepted alongside bookings.

Aspen, Colorado

O2 Aspen is a day spa on South Mill Street offering facials, a yoga studio and a retail boutique, open daily with walk-ins welcome.

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.

San Francisco, California

An adults-only bathhouse in San Francisco's Tenderloin with a thermal pool and an on-site restaurant, open daily except Tuesdays.

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.

New York City, New York

Adults-only day spa on Governors Island with heated outdoor pools, saunas and an Italian-style café, reachable by ferry from Manhattan.

Palm Beach, Florida

Salt The Spa is a day spa in Wellington, near Palm Beach, built around a dedicated salt room and newer peptide-therapy treatments.

Nashville, Tennessee

A walk-in salt room in Smyrna, just outside Nashville, offering halotherapy sessions plus reflexology and lash services for adults.

Wulai, New Taipei

Xiao Chuan Yuan is a hot-spring restaurant in Wulai, New Taipei, pairing soaking pools with table service, open daily except Thursday.

Chianciano Terme, Tuscany

Hotel spa in Chianciano Terme open to non-guests, built around a 450 sqm holistic water, color and massage circuit.

Austin, Texas

A downtown Austin day spa built around a salt room, open to walk-ins and adults only, with hours that shift daily.

Seattle, Washington

A downtown Seattle yoga studio with heated and unheated vinyasa, sculpt and hatha classes, plus a sauna, steam room and pools for after class.

Papallacta, Napo

A budget-friendly thermal pool complex in Papallacta with an on-site restaurant, open daily from 6am to 8pm, walk-ins welcome.

Ranong

A budget thermal-bath spot in Ranong with a soaking pool and an on-site café, open daily 9am to 10pm, walk-ins welcome.

Taos, New Mexico

A moderate-priced day spa at Taos Ski Valley with a heated pool, hot tubs, steam rooms and a day pass open to non-hotel guests.

Ojai, California

Walk-in wellness center in Ojai offering Kundalini yoga classes, workshops and community healing sessions with a team of practitioners.