Spas with adults only in California

San Francisco, California

A Japantown bathhouse open for 50+ years, with a Japanese-style thermal pool and relaxation lounge, reservation required, adults only.

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.

San Francisco, California

A Lower Haight day spa in San Francisco focused on scalp massage and hair-health treatments, mixing Asian head-spa methods with European techniques.

Lake Tahoe, California

An adults-only hotel spa at the Everline resort in Olympic Valley, open to day visitors and hotel guests Thursday through Sunday.

Napa Valley, California

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.

San Diego, California

Medical spa and massage studio in Mission Valley, San Diego, offering massage therapy, facials and med spa treatments like laser hair removal.

Calistoga, California

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

Calistoga, California

Holistic Healing Day Spa is an adults-only day spa in Calistoga, California, accepting both walk-ins and reservations at a moderate price point.

Big Sur, California

Adults-only hotel spa at Ventana Big Sur with ocean-view treatment rooms, outdoor cabanas for couples, and a 24-hour fitness and yoga space.

Santa Barbara, California

A moderately priced, adults-only day spa in Santa Barbara open daily except Sunday, with walk-ins welcome though reservations are recommended.

Ojai, California

Walk-in wellness center in Ojai offering Kundalini yoga classes, workshops and community healing sessions with a team of practitioners.