The Wentworth Estate is a private estate of large houses set in about 7 square kilometres (2.7 sq mi) woodland, in Runnymede, Surrey. It was commenced in the early 1920s. It lies within a gently undulating area of coniferous heathland and interlaces with the Wentworth Golf Club, some properties are only accessed through the club grounds. It is colloquially known as 'The Island'.