Built between 1672 and 1695 by the Spanish, The Castillo de San Marcos served as a fort for more than 205 years. It's the oldest masonry fortification in the U.S. What is now a picturesque ...

Advance tickets must be bought here. Search “Castillo de San Marcos Tours” and click on “Enemy at the Gates.” Day of tickets can also be bought in person. Tours last about 40 minutes and ...

Castillo de San Marcos and Fort Matanzas National Monuments will be closed starting Monday, October 7, due to the anticipated arrival of Tropical Storm/Hurricane Milton. >>> STREAM ACTION NEWS JAX ...

In the late 17th century, Spain built Castillo de San Marcos to defend the city against both pirates and British forces. The castle withstood an attack by the English in 1702 that left the rest of St.