9. Fort De Soto Park: Located just outside the city of St. Petersberg, Florida. Its North Beach has been rated the top in America for families.
Splash in the calm, crystal-clear Gulf water -- a sandbar creates a shallow lagoon that's perfect for young swimmers.
Go shell hunting and build castles in the powder-soft white sand or blow off steam in the pirate-ship playground.
There are bike trails and a historic fort to explore as well.
