Martha's Vineyard is a lovely and tranquil island off the coast of Massachusetts (Cape Cod), famed for its sandy beaches, gorgeous scenery, and active culture. It is a popular summer destination for visitors from all over the world, but it is also home to a rising number of year-round inhabitants who enjoy the island's relaxed lifestyle and close-knit community. If you're thinking about buying a property on Martha's Vineyard, here's what you should know about the island's living expenses.