
Fort Matanzas sits on Rattlesnake Island in the middle of the Matanzas River.
Photo: NPS Photo
Fort Matanzas National Monument preserves the fortified coquina watchtower, completed in 1742, which defended the southern approach to the Spanish military settlement of St. Augustine. It also protects approximately 300 acres of Florida coastal environment containing dunes, marsh, maritime forest, and associated flora and fauna, including threatened and endangered species.
8635 A1A South
Saint Augustine, FL 32080
Fort Matanzas is 14 miles south of Saint Augustine on State Route A1A.
Get directions →Summers are hot and humid with afternoon thundershowers. Sunscreen, a hat, UV protective sunglasses, and are recommended. Drink plenty of water. Winters are cool to mild with some cold spells, especially with wind from the north or off the water. Fall and spring are temperate with temperatures around 70F-80F (21C-26C). During danger of lightning, the fort will be closed and ferry service will be suspended. June-November is hurricane season so check for tropical storms before visiting.