The Benicia Arsenal and Benicia Barracks were part of a large military reservation located next to Suisun Bay in Benicia, California. For over 100 years, the arsenal was the primary US Army Ordnance facility for the West Coast of the United States. Opened in 1849, the based closed in the early 1960′s to become the wonderful part of Benicia that it is today! Looking to do business with some of Benicia’s best companies? Looking to explore and find something fun to do? Art, health & beauty, food, entertainment, dance, martial arts, and exercise studios and so much more await you in Benicia’s Arsenal!