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Castillo de San Marcos National MonumentThe arch supports the Castillo's only staircase to the gundeck.
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Castillo de San Marcos National Monument
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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.

You may view some of their merchandise here.

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

Coquina is a mixture of broken shell sand and calcium, making it nature's version of concrete  

Did You Know?
The word coquina means "tiny shell" in Spanish. It was the name they gave to the small clam that was abundant on the northeast Florida beaches. It is the predominant shell in the rock also called coquina used to build the Fort. Castillo de San Marcos National Monument, Florida

Last Updated: August 01, 2006 at 15:41 EST