Spas with reservation required in United States

A moderately priced day spa in Rose Park, Salt Lake City, open daily except Tuesday from 11 a.m. to 9 p.m., taking both walk-ins and reservations.

A reservation-only day spa in Blue Bell, just outside Philadelphia, with moderate pricing and adults-only access.

An appointment-only luxury day spa in Bartlett Station, Memphis, with service packages priced up to several thousand dollars.

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

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

Day spa in a Montebello strip mall plaza offering facials, massages and body treatments, open daily with walk-ins accepted.