In 1589 Italian cartographer (mapmaker), Giovanni Battista Boazio published his map of the raid of Sir Francis Drake on St. Augustine three years earlier. The map is the first documented archival reference of a wooden watchtower at the end of Anastasia Island. The watchtowers were erected by the Spanish crown during the building of the Castillo De San Marcos to keep enemy ships from taking Anastasia Island. The watchtower at the north end of the island eventually became the St. Augustine Lighthouse, and the one at the sound end became Fort Matanzas National Monument. 1731-1762 By 1737, the Spanish replaced earlier construction with a new 30-foot watchtower made of coquina (shell rock) and wood. A canoe was kept at the centinella for helping those stationed there warn the town of approaching vessels. A spar with halyards was raised to signal the direction from which ships traveled. Ships coming from the north might signal an enemy arrival. 1782-1821 On the night of New Year’s Eve, 1...