# Castillo de San Marcos

> A 17th-century Spanish stone fort made of coquina shell. Rangers fire the cannons on many weekends.

Source: https://camping-spirit.com/places/st-aug-fort/

A 17th-century Spanish stone fort made of coquina shell. Rangers fire the cannons on many weekends.

- **Nearest town:** St. Augustine, FL
- **Category:** History & culture
- **GPS:** 29.8979, -81.3113