The Harry S Truman Little White House in Key West, Florida was the winter White House for President Harry S Truman for 175 days during 11 visits. The house is located in the Truman Annex neighborhood of Old Town, Key West. The house was originally waterfront when it was built in 1890 as the first officer's quarters on the submarine base naval station. The house was designed in 1889 by Scott, McDermott & Higgs, a local architectural firm.