• Cannon firing on the gundeck of the Castillo de San Marcos

    Castillo De San Marcos

    National Monument Florida

There are park alerts in effect.
show Alerts »
  • Summer Weather

    Afternoon Thunderstorms can create dangerous amounts of lightning strikes. If Lightning is visible from the Castillo, Gundeck closures will take place. Click this link for the local weather forcast. More »

Brochures

We have made a selection of our information brochures available to you as Adobe pdf documents. Just click on the brochure name to open it in a separate window or right click on it and select "Save Target As.." to download it directly to your computer.

You will need Adobe Reader which you can get for free here.

Official Park Unigrid

4th of July

British Garrison

British Night Watch

Change of Flags

Military Music

NPS History

Self-Guiding Tour

Siege of 1702

Territorial Florida

Thanksgiving

World War 2

Did You Know?

The red and White rampant lion on the Spanish coat orf arms

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