Embraced by the coastal hills of Sonoma County, Osmosis’ Japanese-inspired environment naturally brings clarity and connection. Book your own private spa gathering for the ultimate social relaxation experience. Enjoy an unforgettable way to bring friends, family or business associates together. Ask our Group Coordinator about personalizing your group experience with additions like lunch, sound healing and guided meditation.
Read Group Reservation Requirements
For 5 or more people
Not available on Saturdays, holidays or blackout periods unless it is a facility buy out.
A 50% non-refundable deposit is required at the time of booking. The additional 50% balance is charged 48 hours before the reservation date.
1 week cancelation policy for group reservations.
GRATUITY POLICY: A service charge of 20% for gratuity will be added to all treatments. If you are dissatisfied with your service or would like to add more, please let us know.
Enjoy a convivial Cedar Enzyme Foot Bath seated together while sipping Osmosis Signature Blend Tea. Includes your choice of either a 70-min Swedish Massage or 65-min Osmosis Facial with additional access to our large meditation garden and sanctuary. We do apply 20% gratuity for group reservations.
Enjoy a convivial Cedar Enzyme Foot Bath seated together while sipping Osmosis Signature Blend Tea, and then float on to enjoy a 70-minute Swedish Massage, 65-minute Osmosis Facial with access to our large meditation garden and sanctuary. We do apply 20% gratuity for group reservations.
You may also build your own custom spa experience for up to 70 Guests. We offer a variety of enhancements to create a custom visit to Osmosis for your group or team. We offer full and partial spa buyouts, as well as private access to our creekside ceremonial space. Ask our Group Coordinator for more information: groups@osmosis.com, 707-823-8231 x222.
Guided Meditation in the Meditation Garden pavilion. Up to 12 people at once. $150 (45 min)
Meditation Garden tour. Up to 12 people at once. $150 (45 min)
Hammock sound healing session. $22 per person. (30 min)
Qi-Gong Enhancement
90 minute sessions $45
5 guest minimum
Weather Dependent
Read more
Qi Gong is a Taoist mind & body practice that combines movement, breath, and meditation. You will be guided through qigong movements & techniques that will melt away tension in your body, stimulate energy flow, & calm the nervous system. Leaving you feeling more aware and grounded in your body and your environment.
Sarah has been a Massage Therapist and Qi Gong practitioner since 2005.
In her journey to optimize human performance and wellness, she quickly discovered Qi Gong as a tool for health and longevity. Empowering others to feel more comfortable in their bodies and honoring where they are at, is a passion of hers. Qi gong can help connect to your authentic self and live more in harmony and flow with your own health and with the world around you.
Over the years she has trained with many different teachers along with many different styles of Qigong. Currently she trains with Shifu David Wei in Oakland, and Shifu Justin Eggert in Santa Rosa. She maintains a daily practice and leads a QiGong Park Meetup.
Tarot Reading ~ $150 hourly
Expanded Tarot Reading or Astrology Session ~ $80 per person (30 min)
5 guest minimum
Read more
Tamaryn is a Monte Rio-based diviner, writer, and esoteric teacher offering predictive astrology and Tarot sessions rooted in ancient tradition to illuminate the present moment. Drawing on modern, classical, Hellenistic, Babylonian, and Egyptian techniques, with a specialty in fixed stars and visual stellar astrology, her work combines technical precision with a deeply intuitive approach. Trained by renowned astrologers including Austin Coppock and Bernadette Brady, she brings over a decade of experience and a background in myth, art, and storytelling to every bespoke session.
Her written astrological contributions include work for Moonomens.com, Astrology.com, the StarSync app, and more. Tamaryn has provided readings, lectures, and workshops at events for the San Francisco Astrological Society, Rebecca Gordon’s Cosmic Clinics, and numerous private gatherings across the U.S. and internationally, creating magical, enriching experiences that help guests uncover clarity, timing, and purpose in their lives.
*All group bookings include an automatic 20% gratuity.
*Groups consist of 5 or more guests. If you have 4 or fewer guests, please contact one of our Spa Coordinators to make a reservation for your small party.
*Not available on Saturdays, holidays or blackout periods unless it is a full facility buyout.
*A 50 % non-refundable deposit is required at the time of booking.
*The additional 50% balance is charged 48 hours before the reservation date.
*1-week cancelation policy for group reservations.
Phone: 707.823.8231
Email Guest Services or Staff
209 Bohemian Hwy
Freestone, CA 95472
Osmosis is known for its authenticity and has established a reputation as one of the most aesthetically pleasing and tranquil spas in the nation.
Just minutes from Northern California’s breathtaking Sonoma Coast, vineyards and redwoods, Osmosis is a destination with many nearby activities to choose from and superb lodging.
© 2026 Osmosis Spa