• 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 »

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Eastern National provides quality educational products, cultural materials, and services to enhance the enjoyment of visitors to the America’s National Parks and other public trust sites. In so doing it functions as a part of the interpretive arm of the National Park Service.

Eastern National is a philanthropic organization that disperses its net profit directly and indirectly to the National Park Service for use in its diverse programs.

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If you have a specific inquiry, you may call them at 904-824-2615.

Did You Know?

iron 3 pounder cannon on field carriage

A light field artillery piece like this 3 pounder is called a grasshopper because of the way the gun "jumps" when fired. Castillo de San Marcos National Monument, Florida More...