Fort Matanzas National Monument

Commemorated in 1924, Fort Matanzas National Monument is a United States National Monument run by the National Park Service. The Monument consists of a 1740 Spanish fort, Fort Matanzas, and about 100 acres (0.4 km²) of salt marsh and barrier islands along the Matanzas River on the northern Atlantic coast of Florida. It is operated by the Park Service in conjunction with the Castillo de San Marcos National Monument and several sites in the city of St. Augustine. Fort Matanzas guards Matanzas Inlet, the southern mouth of the Matanzas River, which can be used as a rear entrance to the city of St. Augustine. Such an approach avoids St. Augustine's primary defense system centered at Castillo de San Marcos. In 1740, Gov. James Oglethorpe of...