America Begins Here
A monument not only of stone and mortar but of human determination and endurance, the Castillo de San Marcos symbolizes the clash between cultures which ultimately resulted in our uniquely unified nation. Still resonant with the struggles of an earlier time, these original walls provide tangible evidence of America’s grim but remarkable history.
Rules and Regulations
The Superintendent's Compendium can answer many of the questions you may have about visiting the Castillo.Read More
The people of St. Augustine fought for a stone fortress because they were fighting for their lives in Florida.Read More
Follow us on Twitter!
Follow us on Twitter to hear about the latest events and other news.Read More
Weapons of War!
Men need tools to wage war; and to prevent it.Read More
Did You Know?
The Castillo was covered in bright white plaster called Argamasa, a mix of lime, sand and water. The trim work and sentry towers were covered with red plaster, made by adding brickdust. Red & white were the royal colors of Spain. Castillo de San Marcos National Monument, Florida