Branchport is a hamlet in the town of Jerusalem in Yates County, New York, United States. It is a "crossroads community" which contains about 85 dwellings, six stores, two churches, a library and a firehouse.The name "Branchport" comes from its location at the north end of the west branch of the Y shaped Keuka Lake. Keuka is one of the Finger Lakes, a series of long slender lakes located in Western Central New York State.