The Maine State Ferry Service operates a network of ferries that connect the mainland of Maine to various islands, including Mount Desert Island and Vinalhaven. This service is essential for residents and visitors, providing transportation for people, vehicles, and goods. Ferries run year-round, with schedules varying by season. The service is managed by the Maine Department of Transportation, ensuring safe and reliable travel across the waters of Penobscot Bay and other coastal areas. The ferries are an important part of the state's transportation infrastructure, supporting both tourism and local communities.