Tiny Coquina Shells Used to Build a Fort

Tiny Coquina Shells

Tiny Coquina Shells

Coquina shells are tiny and numerous and can be seen all along the Florida coastline. These are the tiny shells you may see quickly digging into the sand as the surf receded from the beach. The beach seemingly comes alive as the tiny Coquina quickly cover themselves over and over. The sea birds eat them, and it looks to me like the shells are in a constant game of hide and seek – for their life!

It’s quite amazing that these little shells, when grouped together, make up a material which is hard enough to be used to build a structure, much less a huge fort! But that is what the historical Castillo de San Marcos fort in St. Augustine, Florida was made from. Yes, the basic material for those big walls is tiny seashells!

Coquina Rock

Coquina Rock

castillo de san marcos fort

Inside the Castillo de San Marcos Fort in St. Augustine, Florida

About Dustytoes

I grew up in New England but spent most of my life living in central Florida. Now I'm back up north and blog about seashells, beaches, gardening, boating, fishing, hiking, photography, PKD, and my work as a designer for Zazzle. I move around a lot and try to discover the best in all places I live. Life may be tough, but it's not boring.
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5 Responses to Tiny Coquina Shells Used to Build a Fort

  1. Pingback: The Fun of Blogging, Correcting Old Mistakes and Links | Seashells by Millhill

  2. Pingback: Pink and Purple Scallop Shells « New England's Narrow Road

  3. Margot Finley-aguilera says:

    We found coquina pieces of a building on the waters edge at Caps Restaurant in Vilano Beach, Florida. It has traces of old paint remaining on one side – a bit of old blue paint under red paint. We wondered if anyone had any ideas of what this may have come from? The kids hope it might be a piece from the original St. Augustine lighthouse :-)!

  4. Pingback: St. Augustine Photos « New England's Narrow Road

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