Hyannis Port is a small residential village located in Barnstable, Massachusetts, and Hyannis, Massachusetts. It is an affluent summer community on Hyannis Harbor 1.4 miles to the south-southwest of Hyannis. Central location: 41°37′55″N 70°18′10″W / 41.63194°N 70.30278°W / 41.63194; -70.30278.