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St. Augustine in St. Johns County, Florida — The American South (South Atlantic)
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U.S. Shot Furnace

 
 
U.S. Shot Furnace Marker image. Click for full size.
Photographed by Craig Swain, August 2, 2011
1. U.S. Shot Furnace Marker
Inscription. This structure is a hot shot furnace for heating cannon balls to be shot at wooden vessels and to set them on fire. It is part of the water battery built by the U.S. (1842-44) when this side of the moat was filled in and guns were mounted on the stone arcs behind the sea wall.
 
Topics. This historical marker is listed in this topic list: Forts and Castles.
 
Location. Marker is missing. It was located near 29° 53.87′ N, 81° 18.666′ W. Marker was in St. Augustine, Florida, in St. Johns County. It could be reached from South Castillo Drive (State Road A1A), on the right when traveling north. Located outside the Castillo de San Marcos. Touch for map. Marker was in this post office area: Saint Augustine FL 32084, United States of America. Touch for directions.

Regionally, this marker was in First Coast and in Greater Jacksonville. It was also in the American South. Globally, it was in the North Atlantic Region, North America, a Gulf of Mexico state, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it found itself in what was once New Spain, the territory of the Mississippian Culture, one of the Confederate States of America, and the Antebellum South.

Other nearby markers. At least 8 other markers are within walking distance of this location: Sizzling Salvo / Al rojo vivo (a few steps from this marker); Matanzas Bay (a few steps from this marker); Cannon (a few steps from this marker); Pirate Attacks (a few steps from this marker); 1740 Siege (a few steps from this marker); Fortress Facelift / Nuevo dueρo, obras nuevas (a few steps from this marker); St. Augustine's Bastion
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(within shouting distance of this marker); St. Charles Bastion (within shouting distance of this marker). Touch for a list and map of all markers in St. Augustine.
 
Another marker is no longer nearby. La Necesaria (was within shouting distance of this marker but has been confirmed missing).
 
Also see . . .  Castillo de San Marcos National Monument. NPS website. (Submitted on August 26, 2011, by Craig Swain of Leesburg, Virginia.) 
 
Shot Furnace and Marker image. Click for full size.
Photographed by Craig Swain, August 2, 2011
2. Shot Furnace and Marker
Shot Furnace and Moat Fill image. Click for full size.
Photographed by Craig Swain, August 2, 2011
3. Shot Furnace and Moat Fill
Shot Furnace (<i>wide view; showing new marker beside furnace</i>) image. Click for full size.
Photographed by Cosmos Mariner, December 12, 2018
4. Shot Furnace (wide view; showing new marker beside furnace)
 
 
Credits. This page was last revised on January 2, 2019. It was originally submitted on August 26, 2011, by Craig Swain of Leesburg, Virginia. This page has been viewed 631 times since then and 15 times this year. Last updated on December 21, 2018, by Cosmos Mariner of Cape Canaveral, Florida. Photos:   1, 2, 3. submitted on August 26, 2011, by Craig Swain of Leesburg, Virginia.   4. submitted on December 21, 2018, by Cosmos Mariner of Cape Canaveral, Florida. • Andrew Ruppenstein was the editor who published this page.
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Jun. 17, 2026