Vinalhaven is a town in Knox County, Maine, United States. Its town limits include the island of Vinalhaven, the largest of the Fox Islands, and smaller islands, some accessible from Vinalhaven Island by bridge or causeway. The population was 1,279 at the 2020 census. It is home to a thriving lobster fishery and hosts a summer colony. Since there is no …Vinalhaven is a town in Knox County, Maine, United States. Its town limits include the island of Vinalhaven, the largest of the Fox Islands, and smaller islands, some accessible from Vinalhaven Island by bridge or causeway. The population was 1,279 at the 2020 census. It is home to a thriving lobster fishery and hosts a summer colony. Since there is no bridge to the island, Vinalhaven is primarily accessible from Rockland via an approximately 75-minute state ferry ride across West Penobscot Bay, or by air taxi from Knox County Regional Airport.