The mission of the Marin Healthcare District is to enhance the provision of quality health care in the communities served by the District; to support the highest quality medical, trauma and psychiatric care at Marin General Hospital; and to monitor and enforce the lease of Marin General Hospital to ensure the optimum operation of the Hospital for the benefit of the communities it serves.

The Marin Healthcare District advocates quality and reasonably priced health care, provides a public forum for discussion of health care issues affecting communities served by the district, and is an advocate for California district hospitals, at-large.