Coast Guard crews are searching for a possible person or people in the water, Monday, May 12, 2014, after receiving a report of an unmanned yellow paddleboat floating 57 miles east of St. Augustine, Fla. Anyone who recognizes the paddleboat in the pictures above or has any information about a missing paddleboat is urged to contact the Coast Guard Sector Jacksonville command center at 904-564-7511. U.S. Coast Guard photo.