Video Advisory – Key West Celebrates 200th Anniversary of Designation as U.S. Territory Written by Key West Mortgage Syndicated User on April 1, 2022. Posted in Key West Florida News, Key West News. A celebration is underway in Key West to mark its bicentennial — the 200th anniversary of the island being formally claimed as a United States territory. #keywestmortgage, #keywestmortgagerates, #mortgagekeywest Previous Next