Spas with reservation required

Park City, Utah

Adults-only hotel spa at The Chateaux Deer Valley, open during winter ski season, known for its oxygen bar and massage and facial treatments.

Glenwood Springs, Colorado

A moderate-priced day spa on Grand Avenue in Glenwood Springs, open daily from 9am to 9:30pm, taking walk-ins and reservations.

Cincinnati, Ohio

CryoAesthetics is an adults-only day spa in Cincinnati, Ohio, open weekdays with shorter Friday hours and closed weekends.

New York City, New York

A budget-friendly day spa in North Arlington, NJ, open daily 9am-7pm, offering walk-in or reserved massage sessions for adults.

Lake Tahoe, California

A small day spa in South Lake Tahoe offering massage therapy and spa packages by appointment, open daily from 9am to 9pm.

Daylesford, Victoria

A boutique Ayurvedic wellness retreat in Kyneton, Victoria, offering holistic therapies and tailored programs by appointment only.

Dallas, Texas

A Dallas day spa on Belt Line Road open daily 10am-10pm, taking walk-ins but recommending a reservation, with couples and adults-only visits in mind.

New York City, New York

A day spa inside Equinox Soho in Manhattan, open daily with reservations recommended for treatments.

San Francisco, California

A moderately priced fitness-club spa in downtown San Francisco offering bodywork, skincare and specialty treatments with reservations required.

Charleston, South Carolina

A moderate-priced day spa in downtown Charleston on Meeting Street, set up for adults and couples visits.