Truman Annex is both a neighborhood and military installation in Key West, Florida, United States. It is the part of the island that is west of Whitehead Street, with the exception of Bahama Village. It is where the winter White House for President Harry S. Truman is located from its days as part of the former Naval Station Key West. The Harry S. Truman Little White House in Key West, Florida was the winter White House for President Truman for 175 days during 11 visits.