 The western terminus of the boulevard is at Military Trail (County Road 809 or CR 809), but the state route does not begin until Federal Highway (U.S. Route 1 or US 1).Both the state route and the road itself terminate at Ocean Boulevard (SR A1A) near the Atlantic Ocean shoreline at the northeastern corner of Spanish River Park, near Highland Beach.Spanish River Boulevard provides the only access to SR A1A and the Boca Raton beaches in northern Boca Raton.