Spas with adults only in California

San Diego, California

A rooftop hotel spa in San Diego's Gaslamp Quarter offering treatments and a 24/7 fitness center, open to hotel guests and day-pass visitors.

Los Angeles, California

Day spa in Pasadena offering facials, scalp therapy and body treatments, with its signature Synergy Rejuvenation Scalp Spa, open daily 10am-7pm.

Los Angeles, California

Esthetician-run skincare studio in Del Rey offering facials, acne treatment and micro-infusion, with Japanese-language service available.

Carmichael, California

A single-room salt cave in a Carmichael strip mall offering 45-minute salt therapy sessions for relaxation and respiratory relief.

San Diego, California

Alice in Wonderland-themed day spa in Mid-City San Diego focused on facials, massage and skincare since 2014, open daily 10am-7pm.

Palm Springs, California

Adults-only day spa in downtown Palm Springs, open daily 9am to 6pm, with moderate pricing and both walk-in and reservation options.

San Francisco, California

Adults-only hotel spa in Sausalito, California, offering day passes alongside yoga and a restaurant on site.

San Francisco, California

A moderate-priced day spa just off 24th Street in Noe Valley offering massage, facials, nail care, lash/brow work and waxing, with a relaxation lounge before

Los Angeles, California

A hotel spa at the Conrad Los Angeles in Downtown LA, open only to hotel guests by reservation, with an adults-only, couples-friendly setting.

Santa Barbara, California

A 6,000-square-foot medical and day spa in downtown Santa Barbara combining skincare procedures with massages, facials and body treatments.

Sonoma, California

Evolving Esthetics is an adults-only day spa in downtown Sonoma, open Tuesday through Saturday with both walk-in and reservation options.

San Diego, California

Adults-only hotel spa in Carmel Valley with sauna, steam, cold plunge and thermal circuits, open to guests of the Fairmont Grand Del Mar.

Encinitas, California

Adults-only day spa in Leucadia, Encinitas, about a mile from the beach, with private suites, a relaxation lounge and movement classes.

Palm Springs, California

Asian-style massage day spa in Palm Desert offering body massage, foot reflexology and acupressure, open daily 9am to 9pm.

San Diego, California

Day spa in Golden Hill, San Diego, specializing in organic facials, body treatments and waxing, with walk-ins welcome but reservations recommended.

San Diego, California

A 21-and-over hotel spa in San Diego's Gaslamp Quarter with sauna, steam room, cold plunge and thermal pools, open to hotel guests only.

San Francisco, California

A Korean day spa in San Francisco's Western Addition offering massages and skin treatments, open daily to adults and couples.

Santa Barbara, California

A moderate-priced day spa in downtown Santa Barbara open limited days, with walk-ins welcome but reservations generally required.

Napa Valley, California

Monarch Skin Studio is a moderate-priced day spa in Napa, open Monday through Saturday, nominated Best Day Spa Salon by Napa Valley Life Magazine in 2023 and

Ojai, California

A small day spa and boutique in downtown Ojai focused on skin care treatments, open seven days except Monday.

San Francisco, California

An adults-only bathhouse in San Francisco's Tenderloin with a thermal pool and an on-site restaurant, open daily except Tuesdays.

San Francisco, California

A Traditional Chinese Medicine spa in Pacific Heights offering acupuncture-rooted treatments and botanical skincare, open daily 9am-9pm.

San Francisco, California

Redmint on Union Street is a Traditional Chinese Medicine wellness and beauty spa in San Francisco, open daily 9am to 9pm.

Lake Tahoe, California

Adults-only hotel spa inside Harrah's Lake Tahoe in Stateline, open daily with weekday and weekend hours that differ.