East Garrison is a planned community in an unincorporated area in Monterey County, California. It is located on Reservation Road east of Marina and west of the Salinas River on the former Fort Ord. The community has 929 taxed parcels. The community contains many parks including dog parks, the 5-acre Lincoln Park with sports field as well …East Garrison is a planned community in an unincorporated area in Monterey County, California. It is located on Reservation Road east of Marina and west of the Salinas River on the former Fort Ord. The community has 929 taxed parcels. The community contains many parks including dog parks, the 5-acre Lincoln Park with sports field as well as West Camp Park, McArthur Park, Arts Park which are approximately one acre each. East Garrison is part of Monterey County's Fourth District and, as of January 5, 2021, is represented by Supervisor Wendy Root Askew.