Spas with walk-ins welcome

Krabi

A moderately priced onsen-style day spa in Ao Nang, Krabi, open daily from late morning into the night.

Calistoga, California

MoonAcre Spa & Baths is a day spa in Calistoga with a thermal pool, hot tub and sauna, open daily 9am–5pm and geared toward families and couples.

Hot Springs, Arkansas

A moderate-priced day spa at 328 Central Ave in Hot Springs National Park, open Tuesday through Saturday with hours that vary by day.

Pucón, Araucanía

Pangue SPA is an adults-only day spa in central Pucón, open daily 9am–9pm with moderate pricing and reservations advised.

Quito, Pichincha

Family-friendly thermal baths on the slopes of Ilaló outside Quito, open for day visits most days except Monday and Tuesday.

Boulder, Colorado

Pure Serenity Spa is a moderate-priced day spa in Boulder open Sundays, with reservations recommended for couples or solo visits.

Palm Beach, Florida

A moderately priced day spa in West Palm Beach's Palm Beach Lakes area, open daily except Sunday from 9am to 10pm.

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.

San Francisco, California

Day spa in San Francisco's Union Square, open daily 10am-8pm, moderate prices, walk-ins welcome but reservations required.

Caldas Novas, Goiás

A budget-friendly hot springs spot in Caldas Novas open daily with walk-in day passes and family-friendly hours.

Ixtapan de la Sal, State of Mexico

A moderately priced day spa in the Santa Ana neighborhood of Ixtapan de la Sal, open daily and welcoming families.

Tampere, Pirkanmaa

A budget-friendly public sauna and bathhouse in Tampere, open to walk-ins but reservations are also an option.

Ixtapan de la Sal, State of Mexico

A moderately priced day spa in Ixtapan de la Sal open daily 9am–6pm, with walk-ins welcome but reservations required.

Sun Valley, Idaho

A family-owned medical spa in Ketchum, Idaho, offering skin and wellness treatments since 2008, with walk-ins welcome but reservations recommended.

Boston, Massachusetts

A downtown Boston day spa at 1 Devonshire Pl offering massage and wellness treatments for solo visitors and couples.

Jiaoxi, Yilan

A budget-friendly hot spring park in Jiaoxi, Yilan, open daily for walk-in day passes with a midday closure for cleaning or lunch.

Papallacta, Napo

Budget thermal baths in Papallacta open for walk-in day passes daily, with much shorter hours on Sunday.

Medellín, Antioquia

A couples-focused day spa in El Poblado, Medellín, open daily 9am to 7pm with moderate pricing.

Tiberias, Northern District

A budget-friendly hot springs in Tiberias with a thermal pool, open daily except Monday, day passes and walk-ins welcome.

Boracay, Aklan

Vi Spa Boracay is a walk-in day spa on Station 1 Mainroad in Balabag, open daily from 9am to 11pm.

Ojai, California

A day spa on Mariano Drive in Ojai open evenings on weekdays and daytime on weekends, for solo visitors or couples.

Loutra Edipsou, Central Greece

A budget-friendly natural hot spring in Loutra Edipsou, Central Greece, open to walk-ins and families, with full-day access on Sundays.

Essaouira, Marrakesh-Safi

A budget-friendly hammam in Essaouira open daily from 7am to 11pm, walk-ins welcome, no appointment needed.

Cascade, Idaho

A walk-in hot springs near Cascade, Idaho, welcoming families, with posted hours only for Sunday (open all day).