The Plantagenet Bank is an under-sea feature in the Atlantic Ocean about 25 miles (40 kilometres) southwest of Bermuda.
[1][2][3] The site was the home of the Argus Island research tower until May of 1976.
[4] The tower hosted several oceanographic research studies in the area focusing on currents.
[5][6] The bank has significant carbonate deposits.
[7] It was studied in the early 1960s for its magnetic deviations which contribute to the lore of the Bermuda Triangle.