Spas with solo travelers

Day spa on Lincoln Ave in Napa offering facials, massage, waxing and makeup services, open daily 9am–7pm by appointment.

A day spa in Grosse Pointe Woods, MI, open daily 9am–9pm, with walk-ins accepted and reservations recommended for couples or solo visits.

Boutique massage and facial studio in Union Square offering myofascial release, therapeutic bodywork and customized facials by reservation.

One-esthetician skincare studio in Franklin, TN offering facials, dermaplaning and microcurrent treatments by appointment.

A downtown Cleveland med spa offering injectables, body contouring, IV therapy, hormone optimization and medical weight loss for adults.

A resort spa in Scottsdale's Arcadia area offering massages, facials, and body treatments, open to hotel guests and day-pass visitors alike.

A San Mateo day spa with a hot tub, open daily 10am-9pm, taking both walk-ins and reservations for couples or solo visits.

A budget-friendly day spa in Manhattan's Herald Square area, known for massage therapy, open daily from 10am to 10pm.

A hillside boutique hotel spa outside Sayulita with sauna, steam room, cold plunge and ocean-view pool, open on a day-pass basis.

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.

A medical spa in central Scottsdale offering 32 treatments—facials, massage, Botox, and a bridal package—alongside a sauna, steam room and thermal pool.

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