Osmosis Day Spa Sanctuary

Located in beautiful Western Sonoma County, Osmosis is the only day spa in the US that offers the Cedar Enzyme Bath—a rejuvenating heat treatment from Japan.

  • Osmosis Day Spa Sanctuary - Osmosis meditation garden Photo
  • Osmosis Day Spa Sanctuary - Osmosis signature Cedar Enzyme Bath Photo 2
  • Creekside Pagoda Massages Photo 3
  • Enjoy Sound Therapy in our Hammock Garden Photo 4
  • Osmosis Day Spa Sanctuary - Osmosis Meditation Garden Photo 5
  • Cedar Enzyme Bath Photo 6
  • Radiant Organic Facials Photo 7
  • Osmosis Day Spa Sanctuary - Osmosis meditation garden Photo
  • Osmosis Day Spa Sanctuary - Osmosis signature Cedar Enzyme Bath Photo 2
  • Creekside Pagoda Massages Photo 3
  • Enjoy Sound Therapy in our Hammock Garden Photo 4
  • Osmosis Day Spa Sanctuary - Osmosis Meditation Garden Photo 5
  • Cedar Enzyme Bath Photo 6
  • Radiant Organic Facials Photo 7
  • Description
  • Amenities
  • Reviews
  • Located in beautiful Western Sonoma County, Osmosis is the only day spa in the US that offers the Cedar Enzyme Bath—a rejuvenating heat treatment from Japan. We also specialize in a variety of 75-minute massage modalities performed by our community of experienced therapists. In reflection of our commitment to wellness and the environment, we feature an array of organic facials, skin care, and waxing services.

    We welcome you to relax in our authentic meditation garden with a cup of our exclusive blend of organic herbal tea. Shop anytime in our unique spa boutique filled with great gifts and products to support your healthy lifestyle. Gift certificates are available year round for any occasion, either in our boutique or in 30 years! Voted Best Spa by North Bay Bohemian for 17 years running! Named Best Spa North of San Francisco by San Francisco Magazine.

    • Lodging Amenities:
      • Full Spa On-site
    • Spa & Wellness Amenities:
      • Body Therapy / Massage
      • Retreat Center
    • Disappointed

      I booked Rejuvenation Packages on the telephone months in advance for a friend and myself requesting specific massage professionals. Unfortunately, my friend did not have the wonderful massage...

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    • Sigh.

      I feel a bit torn about this review because I still adore Kumi, who is the best massage/reiki/reflexology therapist I’ve ever had. But after six years of going to Osmosis regularly (every 6-8 weeks...

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    • The BEST ever!

      This is seriously the BEST spa I have ever visited. It is relaxing, beautiful and the service is outstanding. Based on other spas I have visited, this is wonderful value! I recommend doing the...

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