Sagamore Hill was the home of Theodore Roosevelt, 26th President of the United States, from 1885 until his death in 1919. During Roosevelt's time in office, his "Summer White House" was the focus of international attention. The Atlantic Ocean and Long Island Sound moderate the climate of Long Island and Sagamore Hill, where spring highs average between 50 F and 70 F, summer highs range between 70 F and the upper 80s F, fall highs run from the mid-50s F to the mid-70s F, and winter highs are around 40 F.