UPDATE: Sullivan has been located. He is safe and back at home.
Collier County sheriff's deputies are searching for an 83-year-old East Naples man who has been missing since noon Monday.
Roderick Sullivan was last seen by his roommate at their residence, 135 Quails Nest Road.
He may be driving a gray Toyota Corolla with a blue handicapped placard.Sullivan is described as 6 feet, 1 inch tall.
Deputies ask that anyone who sees Sullivan or the Toyota, which has a license plate of T160HI, call CCSO at 793-9300 or Crime Stoppers at 1-800-780-8477.