Fairmont Sonoma Mission Inn & Spa

The Fairmont Sonoma Mission Inn & Spa is the most comprehensive full service. co-ed adult spa in Northern California. Today, The Fairmont Sonoma Mission Inn & Spa is proud to be one of the only luxury spa resorts in the country with our own source of thermal mineral water, which flows from 1,100 feet directly beneath the Inn at 135 degrees. We encourage Guests to enjoy all that our facility offers, including our signature Bathing Ritual, outdoor thermal mineral swimming pool, outdoor thermal mineral Jacuzzis, dedicated Watsu pool, herbal steam room, sauna, indoor lounge with fireplace, outdoor resting loggia and the Spa Café. We also encourage you to take advantage of the Spa's Fitness Center and Studio with a full schedule of fitness and mind/body classes.