The Collier County Sheriff's Office is asking for the public's help in locating a 20-year-old Golden Gate woman who has been missing since Sunday evening. Deputies say Sarah Elizabeth Clayton was last seen leaving Super Target, 2415 Tarpon Bay Boulevard, North Naples, around 6:30 p.m. on foot, heading toward Interstate 75. The Sheriff's Office has released a store video surveillance image of Clayton. Clayton is described as white, 5 feet, 7 inches tall and 140 pounds with long red hair and blue eyes. She was last seen wearing long black pants, a light blue sleeveless top and maroon shoes. She was carrying a brown shoulder bag. Deputies say Clayton requires daily medication and she does not have it with her. Anyone with information about Clayton's whereabouts is asked to call the Collier County Sheriff's Office at (239) 252-9300.