Penobscot Bay

Penobscot Bay is a large, deep-water inlet on the coast of Maine in the United States, extending southward from the mouth of the Penobscot River into the Gulf of Maine. It is one of the most iconic coastal features of the Maine shoreline.

Penobscot Bay's complex geography encompasses hundreds of islands, including Vinalhaven, Islesboro, North Haven, and Deer Isle. Many of these islands historically supported granite quarrying and lobster fishing industries and remain year-round communities accessible by ferry.

Yes, Penobscot Bay and the surrounding waters of Maine are among the most productive lobster fishing grounds in the world. Towns around the bay, such as Stonington and Vinalhaven, have economies deeply tied to the lobster industry, which is central to Maine's coastal identity.

Yes, the Maine State Ferry Service operates routes from the mainland to several islands in Penobscot Bay, including Vinalhaven, North Haven, and Islesboro. Ferries depart from terminals at Rockland and Lincolnville and serve both residents and tourists.