Sackett's Harbor is a village located on the eastern shore of Lake Ontario in New York. It is part of Jefferson County and has historical significance, particularly during the War of 1812, when it served as a key naval base for the United States. The village is known for its scenic waterfront and recreational opportunities, including boating and fishing. Sackett's Harbor also features several historic sites, such as the Sackett's Harbor Battlefield State Historic Site, which commemorates its role in American military history.