Spas with adults only

A reservation-only, adults-only hotel spa in Las Vegas open daily 10am-8pm, in the moderate price tier.

Adults-only resort spa in Napa Valley with pools, sauna, steam and a fitness center, open to hotel guests and club members via day pass.

Adults-only hotel wellness setup in downtown Phoenix with a heated pool, sauna and steam room, day passes available for $50.

A medical spa on San Antonio's Far West Side offering massage, facials, injectables and laser hair removal, open weekdays and Saturday mornings.

An adults-only day spa for couples on Paseo de la Reforma in Cuauhtémoc, Mexico City, open daily from 9am to 8pm.

A 25-room Sonoma hotel in Forestville with a spa barn offering sauna, steam and pools, mainly for overnight guests.

A Oak Creek, WI massage clinic and day spa with adults-only access, listed hours only on Sunday, and a moderate price tier.

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.

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