Signature Massage
A customized massage experience combining various techniques to address your specific needs and promote deep relaxation.
Learn MoreYour Sanctuary for Wellness & Relaxation
Discover tranquility at OSMOSIS DAY SPA SANCTUARY. We offer therapeutic massages, organic skincare, and our exclusive Cedar Enzyme Bath — a rare Japanese thermal therapy designed to restore your body and mind.
What We Offer
Professional wellness services designed to rejuvenate your body, mind, and spirit
Therapeutic Massage
Relaxation and deep tissue massages performed by certified therapists to relieve stress and muscle tension.
Organic Skincare
Natural and organic facials tailored to your skin type for a radiant, healthy complexion.
Cedar Enzyme Bath
Our signature Japanese thermal therapy that promotes detoxification and deep relaxation.
Japanese Garden
A serene meditation space where you can unwind before or after your treatments.
A Sanctuary for Mind & Body
At OSMOSIS DAY SPA SANCTUARY, we believe that true wellness comes from harmony between body, mind, and spirit. Located in the heart of Sebastopol, California, our spa offers a peaceful retreat from the stresses of everyday life.
Our approach combines traditional healing practices with modern wellness techniques. From our signature Cedar Enzyme Bath — a rare Japanese thermal therapy — to our organic skincare treatments, every service is designed to help you achieve deep relaxation and renewal.
We are committed to using natural, organic products and creating an environment where you can truly disconnect and recharge.
Learn More About UsPopular Services
Discover our most sought-after wellness experiences
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Cedar Enzyme Bath
Our exclusive Japanese thermal therapy that uses fermented cedar to create a deeply relaxing and detoxifying experience.
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Organic Facial
A rejuvenating facial using natural and organic products to cleanse, nourish, and revitalize your skin.
Learn MoreWhat Our Guests Say
Real experiences from our wellness community
"The Cedar Enzyme Bath was unlike anything I've ever experienced. I left feeling completely renewed and deeply relaxed. This spa is truly a sanctuary."
"The attention to detail and peaceful atmosphere make OSMOSIS my go-to spa. The therapists are incredibly skilled and the Japanese garden is simply beautiful."
"I've been coming here for years. The organic facials have transformed my skin, and the massage therapists are the best in the area. Highly recommend!"
Book Your Wellness Experience
Ready to begin your journey to relaxation? Fill out the form and we'll help you schedule the perfect treatment. Whether you're seeking stress relief, skin rejuvenation, or simply a peaceful escape, we're here to help.
We offer personalized consultations to ensure each treatment is tailored to your specific needs and wellness goals.