Sark

Sark has a population of about 500. Including the nearby island of Brecqhou, it has an area of . Little Sark is a peninsula joined by a natural but high and very narrow isthmus to the rest of Sark Island.
Sark is one of the few places in the world where cars are banned from roads, and only tractors, bicycles, and horse-drawn vehicles are allowed. In 2011, Sark was designated as a Dark Sky Community and the first Dark Sky Island in the world. Provided by Wikipedia