Chincoteague is a town in Accomack County, Virginia, United States. The town includes the whole of Chincoteague Island and an area of adjacent water. The population was 3,344 at the 2020 census. The town is a tourist gateway to the Chincoteague National Wildlife Refuge on adjacent Assateague Island, the location of a popular recreational beach and home of the Virginia herd of Chincoteague Ponies. These ponies and the annual Pony Swim are the subject of Marguerite Henry's 1947 children's book Misty of Chincoteague, which was made into the 1961 family film Misty, filmed on location.