Landmarks Preservation Commission: This Georgian style building served as the Island’s main guardhouse and later the residence of the army’s post commander. It was named a City landmark in 1967.
Landmarks Preservation Commission: Designed by Lieutenant Colonel Jonathan Williams it was constructed of sandstone with walls measuring 8 feet thick at the base. The castle was designated a City landmark in 1967.
Landmarks Preservation Commission: Designed by Lieutenant Colonel Jonathan Williams and built in 1806. The star-shaped walls of the fort were inspired by those built by the French military. It was designated a City landmark in 1967.
Landmarks Preservation Commission: Completed in 1843 by Martin Thompson, this Greek Revival building served as the home of the Island’s Co. from the time of its construction until 1996. It was named a City landmark in 1967.