Skip to main content
An exterior image of the Castillo De San Marcos National Monument.

Castillo De San Marcos Historical Monument

Serving as an educational resource, inspiring generations to appreciate the history of the Oldest City.

Connect with us:
Office hours:
Sunday - Saturday, 9:00 am - 5:00 pm

Serving as a Stronghold Throughout History

Designated as a national monument in 1924, the Castillo de San Marcos stands as a monument to St. Augustine, Florida's rich history and the enduring legacy of Spanish colonial architecture. Constructed by the skilled engineer Ignacio Daza in the 1600s, this remarkable fortress was built to serve as a stronghold to protect the citizens of St. Augustine from pirates, rival colonial powers, and indigenous groups.

A Gathering Place for Diverse Communities

The Castillo de San Marcos offers educational tours that bring this rich history to life, providing visitors with an immersive experience. Knowledgeable guides share tales of the fortress's past, recounting the stories of soldiers who defended its walls, the challenges faced during various conflicts, and the interactions between different cultures that defined the area. These narratives emphasize the significance of the Castillo as a military fortification and its role as a gathering place for diverse communities throughout history.