Fort De Soto — Florida's 7-Mile Beach, a Spanish-American Fort, and Pinellas's Best-Kept Secret

Seven miles of beach, a 1898 coastal artillery fort with the only 12-inch mortars still mounted in the U.S., one of Florida's best campgrounds, and a ferry to Egmont Key — all in a Pinellas County park, not a state park. Most Florida tourists never make it down here.