Spa Packages 

Signature Cedar Enzyme Bath & Wrap

1 1/2 hours        $99 for one        $89 each for two or more
This deeply soothing and profoundly relaxing experience starts with tea in our Japanese garden, followed by our Signature Cedar Enzyme Bath, and a Hemi-Sync® sound Therapy Session in your own private blanket wrap room. The increase in your circulation and metabolism will give you the immediate benefits of reduced tension and fatigue, radiant skin, relief from aches and pains, and improved digestion. Leave feeling calm and refreshed.
(The 30-minute wrap cooling session is only for those not continuing to another service. On Saturdays and holiday blackout periods, Enzyme Baths only appointments, not accompanied by a massage or facial, are only available after 5 pm, and on a limited basis). Book Online

The Rejuvenation Package

2 1/2 hours        $219
2.5 hours of bliss. This package features organic tea served in your own private Japanese tea garden, our Signature Cedar Enzyme Bath, followed by a 75-minute Swedish-Esalen massage. Let the stress of the day melt away as you nestle into the Cedar Enzyme Bath, then allow your gifted masseuse to take care of any remaining kinks. Walk out feeling calm, relaxed and energized.

The Transformation Package

2 1/2 hours        $239
This 2.5 hour package offers time to unwind as you enjoy organic tea in a private Japanese meditation garden, our Signature Cedar Enzyme Bath enhanced with a mist of relaxing essential oils, and a 75-minute Swedish-Esalen Massage, personalized to your desired pressure (light, moderate or firm), using our Transformation Massage Oil blend. Leave Osmosis feeling renewed, and take home a gift of the Transformation Massage Oil to continue your spa experience at home.  Book Online

The Ultimate Experience Package

4 1/2  hours        $399
This 4.5-hour spa immersion package includes the best of everything Osmosis has to offer, including the warm cleanse of our Cedar Enzyme Bath enhanced with a mist of balancing essential oils, a 75-minute Swedish-Esalen Massage, personalized with light, moderate or firm pressure, using our Ultimate Massage Oil blend, and a 75-minute Signature Facial customized to your exact needs. The facial is enhanced with your choice of either a Vitamin C treatment or Glycolic Peel, for luminous skin. During your day, you will feel nourished by an organic boxed meal served along the bank of Salmon Creek. You are invited to enjoy the beauty and tranquility of our Japanese meditation garden, for as long as you choose. Take a piece of your experience home with a gift of the Ultimate Massage Oil.  Book Online

The Osmosis Ritual Package

5 1/2  hours        $459 Per Person, Boxed Lunch Included
It doesn't get any better than this. Here we offer a magnificent day that begins with your personal bath attendant providing ceremonial tea in a private Japanese garden and attending your every need during the Signature Cedar Enzyme Bath. Next luxuriate in a 75-minute Specialty Massage custom-tailored for your needs in the natural sanctuary of one of our creek-side Pagodas. Your therapist will use the Ritual Massage Oil Blend during your massage and you will be given this as a gift to continue your ritual at home. After your massage, allow the relaxation to deepen in our dream-inducing outdoor Field of Hammocks, where you will enjoy 30-minutes of Hemi-Sync® Sound Therapy designed to leave you in a balanced and centered state of mind. Finish up your complete self-care ritual with your choice of any 75-minute Organic Facial from our menu which includes the option of a peel or Vitamin C enhancement. Included in this ritual is unlimited time in our celebrated Japanese Meditation Garden and a special prepared organic boxed meal that can be enjoyed any time during your experience. The outdoor elements of this package are dependent on fair weather.  Book Online

The Bath as Medicine Package

3 hours                $299
A deeply cleansing experience, this 3 hour package will leave you feeling completely renewed. You will begin with a 90-minute Lymphatic massage, complete with dry brushexfoliation, and enhanced with our Bath as Medicine Massage Oil blend to promote systemic detoxification through the skin, lymphatic system and liver. Continue cleansing with Osmosis’ Signature Tea mixed with digestive enzymes, enjoyed in the tranquility of a private Japanese garden. This is followed with our Signature Cedar Enzyme Bath, benefiting your digestion, circulation and mobility, and deepening your detox. Complete your experience with a 30 minute sound therapy session in a private room and extend your experience at home with the gift of the Bath as Medicine Massage Oil blend.  Book Online

The Radiant Skin Package

2 1/2 hours        $239
This 2.5 hour package will leave you radiant. Enjoy the warm embrace of our Cedar Enzyme Bath enhanced with an essential oil mist of blue tansy, mandarin and cedar wood. This highly detoxifying heat treatment will soften and brighten your skin. This is followed with a 75-minute Signature Facial, customized just for you, including warm compresses, organic essential oils and a soothing foot polish. You may choose either a Vitamin C treatment or an Enzyme Peel to enhance the radiant glow of your skin. Book Online

Warmth of Love Package for Two

2 1/2 hours       $439 for two
The "Warmth of Love" 2.5 hour package includes our signature Cedar Enzyme Bath for two followed by two transformative 75-Minute Swedish Massages experienced side by side in a Couple's Room.This package also includes a seasonal gift set of Tara Spa Therapy® products that include a 1 oz Body and Massage Oil and 2 oz Bath Salt.
Now featuring: Spring Grass, a refreshing blend of Lemongrass, Rosemary,Clary Sage and Citronella to soothe the muscles and focus the mind.  $439 all-inclusive. No exclusions or blackout dates. Subject to availability, cannot be combined with any other offers.


Boxed-Lunches Available


We offer a seasonably sensible lunch here at Osmosis for just $20 (a boxed lunch is included in the price of the Ultimate Experience Package). You can enjoy your healthy and delicious meal here on our beautiful grounds, or take it to the beach or to your home to enjoy. We will schedule you a break between appointments or you may choose to have your lunch before or after your appointment.


Massage at Osmosis

massage guestMassage at Osmosis is a wonderful experience--especially after an enzyme bath! All massages at Osmosis are 75-minutes long to assure a complete treatment. In addition to the classic Swedish-Esalen technique, our gifted practitioners offer a variety of special modalities. Learn more about all our massages, as well as the special option of massage in an outdoor pagoda among the trees, birds, and sounds of Salmon Creek. Or go directly to the Book Online page to schedule your treatment.


Skin Care at Osmosis

facial guest

Osmosis is proud to offer the finest skin care services, using only holistic and organic products. Our professional Aestheticians will create a customized treatment tailored to support your personal skin care needs. Learn more about our skin care programs and select the perfect treatment for you. Or go directly to the Reservations page to schedule your treatment.


Wellness at Osmosis

meditating guest


The Wellness program offers programs for both body and soul. Read more about the Osmosis Vitality Cleanse and the Osmosis Inner Journeys programs.





As a courtesy to other guests and our therapists, if you must cancel or reschedule an appointment please give 48 hours notice. Cancellations made within 24 hours will be charged 50% of the treatment price. "No Shows" will be charged the full treatment price. Group cancellation requires 1 week notice to avoid full charge. If you are running late, a phone call is always appreciated. Your arrival time will determine the length of your treatment time, which will end as scheduled so that the next guest may begin promptly. In this case, you will be charged the full amount of your originally scheduled treatment.


Please arrive 15 minutes before your appointment to receive the fully allotted time for your session. Your arrival time will determine the length of your treatment time, which will end as scheduled so that the next guest may begin promptly. Please review our Osmosis User Guide, which provides helpful hints for your comfort and consideration.

Menu prices include a 1% service charge. Gratuities to staff are welcome.

Prices subject to change without notice.

For the comfort and enjoyment of our guest, our sanctuary is free from cell phones, pets and smoking.



Celebrate our 30th Anniversary with us!
Wednesday May 20, 5-9pm

Oysters, Wine, Kombucha on tap, Live Music, Chair Massage, Footbaths and more!

Osmosis Voted #1 Again!
Best of Boho Logo
Winner Best Day Spa
17 Years Running!

Upcoming Events at Osmosis

We have many exciting events this Spring; Garden Tours, Meditation Retreats, Local's Night Celebrations and more!

Give the Gift of Osmosis

Print gift cards instantly online, or have your perfect gift sent via mail.
  Click or call (707) 823-8231


Check-Out our Blog

Fantastic Getaway Specials

Enjoy the relaxing combination of spa treatments at Osmosis Day Spa paired with an overnight stay
in deluxe nearby accommodations.
Packages starting at $299!!!

Osmosis is a Green Spa

As a founding member of the Green Spa Network, we are leading the way in bringing sustainable practices to the spa industry. Greening Osmosis is an ongoing process, and we are commited! Learn More