The Hamptons International Film Festival 3 Newtown Mews, East Hampton, NY11937 The Hamptons International Film Festival is a five-day long independent film festival held in mid-October on the South…More Fork. In 1992, it was founded to celebrate long, short, fiction and documentary films. The films are shown in Montauk, East Hampton, Sag Harbor, and Southampton. It is a popular fall event, attracting famous celebrities, from Christie Brinkley to Isabella Rosellini. The festival's office is located in an office in the Newtown Mews in East Hampton Village.