The Marthas Vineyard Public Safety Departments are dispatched by the Dukes County Office of the Sheriff 911 Dispatch Center in Edgartown, Massachusetts, United States, providing ... See more a rapid response by fire, EMS and law enforcement departments to incidents and control of a wide-range of emergency situations, including Dukes County Sheriff, Edgartown Police, Oak Bluffs Police, Tisbury Police, "Up-Island" Police, Dukes County Fire Dispatch, Edgartown Fire, Aquinnah Fire and West Tisbury Fire.