St. Mary's Tower

The tower is a large, square building with four corner turrets, and is located about 80 meters above sea level. The Tower itself is about 12 meters tall, with walls that are approximately 6 meters thick, and is raised on a platform and plinth that are approximately 8 meters high. During times of crisis its garrison numbered up to 60 soldiers. By 1791, its armament included two 12-pound iron cannon, one 10-pound bronze cannon, one 4-pound bronze cannon, and two 3-pound bronze cannon.