Fort Barry is a former 1908 army post, located in the Marin Headlands. Fort Barry encompasses the historic military post, located across the street from the park's Marin Headlands Visitor Center, as well as several historic batteries, including Battery Mendell and Battery Alexander and the Point Bonita Lighthouse area. Come visit this historic area and enjoy the Lagoon and Coastal Trails, the panoramic views of the Pacific Ocean and Rodeo Lagoon and explore Point Bonita.
Fort Barry is also home to many park partners; including the Headlands Center for the Arts, the , and the .