Jamesport is a village in Riverhead, Suffolk County, New York, on the North Shore of Long Island. At the 2020 U.S. Census its population was 1,609. thumb|Bay Breeze Inn in South Jamesport.
Jamesport is a village in Riverhead, Suffolk County, New York, on the North Shore of Long Island. At the 2020 U.S. Cens.us !its population was 1,609. thumb|Bay Breeze Inn in South Jamesport.