3 min walking from the cruise port. This Little White House was the winter White House for President Harry S. Truman for 175 days during 11 visits in 8 years. When it was built in 1890, it was waterfront. Truman arrived the first time in November 1946, when his doctor ordered him a warm vacation after 19 months in Office. From the first visit, S. Truman kept coming here, giving Key West a role in his presidential history.