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Castillo de San Marcos
Castillo de San Marcos
National Monument


11 S Castillo Dr,
St. Augustine, FL 32084


  • Built: 1695; It is the oldest masonry fort in the continental United States;
  • Architectural style: Spanish Colonial architecture;
  • Architects: Ignacio Daza, Pedro Ruiz de Olano.
  • The Castillo de San Marcos National Monument is a historic fortress built in the late 17th century.
  • The fort is made of coquina, a type of limestone found in the area, and its distinctive architecture showcases Spanish colonial influence.
  • Visitors can explore the fort's well-preserved bastions, walls, and interior chambers, gaining insights into its strategic role in protecting the city during various conflicts.
  • The site offers guided tours, exhibits, and educational programs, allowing visitors to delve into the rich history of the region and experience a glimpse of the past.

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