(Grand Plaza Hotel, FL-52-05) in St. Petersburg Beach, Pinellas County, FL. FL699 (Gulf Blvd) N. 1.1 miles from jct with FL682 (Pinellas Byway) in St. Petersburg Beach to the hotel on the W. side of the road at 5250. (11-10-07, N27 43.55 W82 44.58) Photo by Mark Comstock.