It is also the only Island to has been designated as a Dark Sky Community.
The day we traveled as very wet and windy. In fact on the way back we had Force 5 winds. When we landed we were met by Horse and Carriages where we could go on a 1 or 2 hour trip around the island or we could go for the longer trip across the island onto Little Sark. As it was wet we decided to go to Little Sark. It was a great ride.
Greater Sark and Little Sark are joined by a narrow isthmus called La Coupée. About 300 feet long and has a drop of about the same on each side.. The concrete Road was built in 1945 by German Prisoner or War under the direction of the Royal Engineers. We had to get off at this causeway to Little Sark and walk across.
Sark has a population of about 600. You can find out more about this island on Wikipedia here