Brewster Islands Military Reservation
Brewster Islands Military Reservation, Military coastal defense fort in Boston Harbor, Massachusetts.
The Brewster Islands Military Reservation extends across Great Brewster Island and Outer Brewster Island, featuring concrete gun emplacements and observation posts overlooking the Atlantic Ocean.
Established in 1941 during World War II, the reservation contained Battery Jewell with two 6-inch M1 guns and an Anti-Motor Torpedo Boat Battery designated as AMTB 942.
The military structures on both islands represent the engineering capabilities and defensive strategies employed by the United States during the Second World War.
Access to the reservation requires boat transportation, and visitors should note that many structures have deteriorated due to coastal weather conditions over the decades.
The foundation of Battery Jewell remains intact on Outer Brewster Island, while Great Brewster Island contains remnants of a mine control station used for harbor defense.
Inception: 1941
GPS coordinates: 41.33773,-70.88774
Latest update: March 10, 2025 17:08
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