Stonington is a town in Hancock County, Maine, United States. It is located on the southern portion of the island of Deer Isle. The population was 1,056 at the 2020 census. It includes the villages of Burnt Cove, Oceanville, Green Head, and Clam City. A picturesque working waterfront and tranquil tourist destination in eastern Penobscot Bay, Stonington has consistently ranked among the top lobster ports in the country and is the largest lobster port in Maine. In 2011, 14,854,989 pounds of lobster were landed by Stonington fishermen, with a value of $46.3 million.