Spas with adults only in California

Santa Ynez, California

Adults-only resort spa inside Chumash Casino Resort in Santa Ynez with 21 treatments, a mineral pool, cold plunge and couple's suites.

San Diego, California

Adults-only day and hotel spa in Rancho Bernardo with gardens, whirlpools, a steam room and an 18-treatment menu, open daily 9am-6pm.

Calistoga, California

A 20-treatment hotel day spa in Santa Rosa with an indoor caldarium plunge pool, eucalyptus steam rooms, and walk-in or reserved day passes for adults 18+.

Palm Springs, California

A 16-room adults-only hotel in Desert Hot Springs with three natural mineral-water pools fed by a 350-foot geothermal well, plus a small on-site spa and

San Diego, California

A Carmel Valley day spa focused entirely on scalp care, with head-spa rituals from 60 to 120 minutes plus a beard-detox option for men.

Calistoga, California

A day spa and co-ed bathhouse in downtown Sebastopol with women-only and clothing-optional sessions on set days.

San Francisco, California

Oakland float and sauna studio near Grand Lake with private float tanks, infrared sauna cocoons and cryotherapy, open daily 11am-8:30pm.

Calistoga, California

A Calistoga day spa on Lincoln Avenue specializing in lymphatic bodywork and facial treatments, with a relaxation lounge for adults and solo travelers.

San Francisco, California

Upscale day spa on Union Street in San Francisco's Cow Hollow, offering around 20 facial and massage treatments, including a signature Quadruple Lift Facial.

Ojai, California

A small Ojai day spa run by one certified therapist specializing in lymphatic drainage therapy, by reservation.

Napa Valley, California

A single-treatment float spa in Napa offering sensory-deprivation float pods with Epsom salt water, plus dedicated parking and walk-in access.

Ojai, California

A one-room day spa in Ojai pairs skincare facials with Human Design readings, with treatments from $110 to $350 and walk-ins welcome.

San Diego, California

A Korean-style day spa on Convoy Street in Kearny Mesa offering sauna access, body scrubs and massage, open daily 8:30am to 9pm.

San Diego, California

A day spa in University City, San Diego, open since the late 1990s, offering facials, massage and lymphatic drainage with a monthly membership option.

Los Angeles, California

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

Los Angeles, California

A boutique medical spa in Pico-Robertson focused entirely on facials, from HydraFacial to microdermabrasion, with no body treatments on the menu.

Palm Springs, California

Adults-only day spa at Ace Hotel Palm Springs, open daily with walk-ins welcome and shorter hours early in the week.

San Diego, California

A massage-focused day spa in San Diego's Gaslamp District offering Swedish, deep tissue and hot stone sessions daily from 10am to 11:30pm.

Ojai, California

A small facial studio in Ojai run by esthetician Allison, offering customized facials, RF skin tightening, microcurrent and waxing by reservation.

San Francisco, California

Adults-only day spa on Market Street in Mission Dolores offering massages and facials by appointment, open daily except Tuesday.

Santa Barbara, California

A medical spa on State Street in Santa Barbara offering Botox, fillers, laser hair removal and HydraFacials under physician oversight.

San Diego, California

A Clairemont wellness studio in San Diego pairing acupuncture and bodywork with an infrared sauna and a Himalayan salt room for classes.

San Francisco, California

A moderate-priced day spa in San Francisco's Mid-Market/SoMa area, open daily with walk-in visits possible but reservations encouraged.

Sonoma, California

Physician-led medical spa in downtown Sonoma offering Botox, fillers, laser and RF treatments, open weekdays by appointment.