Spas with reservation required in California

Napa Valley, California

A medical spa in downtown Napa offering Botox, fillers, weight-loss injections, laser treatments and facials, open Thursday through Saturday by appointment.

Santa Barbara, California

A Lower State day spa in Santa Barbara offering massage and aesthetic treatments, with 27 services and both walk-in and reservation booking.

Santa Barbara, California

A State Street halotherapy spa built around a large underground crystal salt cave, with massage, facials and a relaxation lounge.

San Francisco, California

A medical spa in Union Square, San Francisco, focused on injectables, skin resurfacing, microneedling and body contouring, established in 2006.

Sonoma, California

Medical spa in Sonoma, CA offering Botox, dermal fillers, microneedling and chemical peels by appointment, run by RN Tiffany Nunez.

Sonoma, California

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

San Francisco, California

A small two-room day spa near the Panhandle offering skin care and massage therapy, open daily with moderate pricing.

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.

Lake Tahoe, California

Medical spa in Stateline near Kingsbury Grade offering Botox, fillers, PDO threads and laser skin treatments, by appointment only.

San Diego, California

A budget-friendly massage and medspa in Core-Columbia, San Diego, with private suites, a sauna and a couples treatment room.

Ojai, California

A family-owned day spa in Ojai, California, open six days a week, offering personalized skin treatments with walk-in and reservation options.

Lake Tahoe, California

A wellness center in Kings Beach offering massage, yoga, acupuncture and counseling, open daily with walk-ins and reservations accepted.

Los Angeles, California

Japanese-style day spa in Beverly Hills offering massage and bodywork for solo visitors and couples by reservation.

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.

Los Angeles, California

Walk-in-friendly day spa in Westlake, LA offering affordable massage and facial combos, with a sauna on site.

Solvang, California

A resort spa inside Alisal Ranch, a 10,500-acre luxury guest ranch in Santa Ynez Valley open only to overnight guests by reservation.

Napa Valley, California

A massage-focused day spa in central Napa offering bodywork and skincare treatments with organic products, open daily except Wednesday.

Sonoma, California

Upscale day spa in Sonoma offering facials, bodywork, Endermologie and sound healing, with a relaxation lounge and membership option.

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.

Los Angeles, California

Briar Beauty Spa is a moderately priced day spa in Alhambra, open daily 9:30am to 8pm, with both walk-in and reservation options.

Sonoma, California

A one-table day spa above a Glen Ellen storefront offering private massage and organic facial treatments by appointment only.

Lake Tahoe, California

A South Lake Tahoe day spa focused on body, combo and foot massage, open daily with reservations required.