(20 sides, 44', FL-17-09) in Pensacola Beach, Escambia County, FL. FL399 (Via de Luna Dr. E. 1.4 miles from jct with Fort Pickens Rd., N. on Avendia 16 1 block, NE on Rio Vista Dr. 0.1 miles to the house on the NW side of the road at 803. (N30 20.370 W87 07.083) Photo by Jack & June Schmidt 5-10-10.