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

    Castillo De San Marcos

    National Monument Florida

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  • 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 »

Professional Development

Workshops: Throughout the year, there will be opportunities to sign up and attend workshops at our Park. These will be geared towards helping educators learn about the history of the area, resources available at Castillo de San Marcos and Fort Matanzas, and an overview of the National Park Service. We would like to work with school districts to ensure that educators receive credit towards their professional development requirements for attending the workshops. It is also a possibility for our staff to come to your school and offer a similar workshop. If you are interested in setting up a workshop for your district or group of educators, please e-mail the Educational Coordinator.

Teacher-Ranger-Teacher: The National Park Service teams up with teachers under the TRT Program. The teachers spend their summer working as a Park Ranger and developing curriculum-based material for the Park. Then during the school year, the TRT brings their experience into the classroom. To learn more about these opportunities, visit www.nps.gov/learn/trt/

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