| Cubo Line | |
|---|---|
Linea Cubo | |
| St. Augustine, Florida | |
 City gates in the Cubo Line | |
| Type | Defensive line |
| Height | 6 feet (1.8 m) |
| Site information | |
| Open to the public | Yes |
| Condition | Most of the organic material-built line was destroyed since a British siege in 1740; rebuild gates and minimum sections in 1763 with coquina |
| Site history | |
| Built | 1702–1716 |
| In use | 1704–1821 |
| Materials | Earth, palmetto logs, coquina rock |
| Battles/wars | Siege of St. Augustine (1740) Patriot War of East Florida (1812) |
The Cubo Line was part of the defense system built by the Spanish to protect the presidio of St. Augustine (San Agustín) in the territory of Spanish Florida (La Florida) during the early years of the 18th century.