Spas with reservation required

Sonoma, California

Summit Spa is a day spa on CA-12 in Sonoma, open daily from 10am to 8pm, with moderate pricing and both walk-ins and reservations accepted.

Fort Lauderdale, Florida

Hotel spa inside The Dalmar in central Fort Lauderdale, open to hotel guests with a reservation and a relaxation lounge on site.

Medellín, Antioquia

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

Kansas City, Missouri

A hotel spa inside the Westin Kansas City at Crown Center, open to hotel guests by reservation in downtown Kansas City.

Santa Barbara, California

A moderately priced day spa in Goleta, just outside Santa Barbara, open daily from 8:30am to 9:30pm.

Yalova

A budget-friendly adults-only hammam in Yalova Merkez open daily from noon to midnight, with walk-ins accepted but reservations required.

Denver, Colorado

Yeti's Spa is a day spa in Denver's East side, with both walk-in visits and reservations accepted at 101 Ulster Ct.

New York City, New York

Zu Yi Spa is a moderately priced day spa on Elizabeth St in Manhattan, open daily from 10am to 9pm.

Tulum, Quintana Roo

Beachfront resort in Tulum pairing overnight stays with spa treatments, yoga and fitness classes, open to hotel guests only.

Ojai, California

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

Bodrum, Muğla

A hammam in Gümbet, Bodrum, open daily 10am-7pm for adults and couples, with both walk-in access and a reservation requirement, moderate pricing.

San Diego, California

East Village day spa specializing in Thai massage, with scrubs, hot stone and coconut soak add-ons, open daily with walk-ins accepted.

New York City, New York

Bowery massage and foot reflexology spot in Manhattan open daily 10am to midnight, walk-ins welcome, since 2012.

Boston, Massachusetts

Season Four Spa is a small Back Bay day spa offering Swedish, deep tissue and hot stone bodywork plus foot reflexology, open daily 9am-9pm with walk-ins

Orlando, Florida

A medical spa in Orlando's SoDo district offering injectables, fillers, microneedling and facials, with walk-ins accepted alongside appointments.

Naples, Florida

A small Naples day spa off Goodlette-Frank Road built around detox lymphatic drainage massage, with LED light therapy and warm towel work added in.

San Diego, California

A budget massage studio in San Diego's City Heights area, open daily from 9am to 11pm for walk-in or booked sessions.

Santa Barbara, California

A moderately priced, adults-only day spa in Santa Barbara open daily except Sunday, with walk-ins welcome though reservations are recommended.

Miami, Florida

Recovery and longevity studio in Brickell offering sauna, cold plunge, cryotherapy and IV therapy, bookable by reservation or walk-in.

Hot Springs, Arkansas

A moderately priced day spa in Hot Springs Village, Arkansas, open weekdays for adults and couples, with reservations recommended.

Chicago, Illinois

A hotel spa for Waldorf Astoria guests only in Chicago's Rush & Division area, open daily 6am-9pm by reservation, luxury pricing.

Orlando, Florida

Affordable day spa on Orlando's International Drive offering Thai massage, facials, reflexology, and couples treatments alongside a steam room and sauna.

Hanoi

A moderate-priced day spa in Hanoi's Old Quarter with a nine-treatment menu, including a signature body treatment, open long hours for walk-ins or booked

New York City, New York

Division Day Spa, a day spa at 123 Division St on Manhattan's Lower East Side, is open daily from 10am to 8pm with walk-in and reservation options.