Castle Harbour, Bermuda St. David'd Island and Cooper's Island. Castle Harbour, Bermuda Castle Harbour is a large natural harbour in Bermuda. It is located between the northeastern end of the main island and St. David's Island. Originally called "Southampton Port", it was renamed as a result of its heavy fortification in the early decades of the Seventeenth century. A gem of Bermuda's coastline, it is surrounded by St. George's Parish in the north, east, south (Tucker's Town), and Hamilton Parish in the west. A chain of islands and rocks stretches across the main opening to the Atlantic Ocean, in the east, notably Cooper's
Royal Naval Dockyard, Bermuda of the North American Atlantic seaboard (following US independence) threatened Britain's supremacy in the Western Atlantic that the island assumed great importance as a naval base (the attendant Bermuda Garrison of the British Army existed primarily to protect the naval base). In 1818 the Royal Naval Dockyard, Bermuda officially replaced the Royal Naval Dockyard, Halifax as the British headquarters for the North America and West Indies Station. In the decades following American independence, Britain was faced with two threats to its maritime supremacy. The first was French, as Napoleon battled Britain for military, political, and economic supremacy in Europe, closing