(42', FL-57-06) in Navarre Beach, Santa Rosa County, FL. FL399 (Gulf Blvd) W. 2.5 miles from jct with FL399 (Navarre Beach Cswy) to the house on the N. side of the road at 7677. (N30 22.491 W86 54.150) Photo by Jack & June Schmidt 5-10-10.