Castle Island, Boston Directions
Day Boulevard, Boston, MA, 02127
Take I-93 to Exit 15. Make a left at the light to rotary, and onto Day Boulevard, follow the water to Castle Island. You'll find free beach parking along the street the entire way, and a free lot for Castle Island at the end of the road.
Rte. 3 to JFK Exit, follow beach along William J. Day Boulevard, Castle Island is at the end of the Causeway.
MBTA:
Castle Island, M St. Beach - Red Line to Broadway Station, then take City Point buses #9 or #11. Walk to the right across Marine Park to the beach to the entrance of the fort. Carson Beach - Red Line to JFK/UMass.
MBTA bus service to Marine Park via the #9 from Broadway or the #5 from Andrew Red Line stations.
