Searsport is an incorporated town and deep water seaport located at the confluence of the Penobscot River estuary and the Penobscot Bay immediately northwest of Sears Island and Cape Jellison in Waldo County, Maine, United States. The population was 2,649 at the 2020 census. Searsport includes the village of North Searsport. The town is known as "the home of the famous sea captains" and the "Antique Capital of Maine".