Okay. fiorst question is "how big is your rig?" This will control what might be available. There are several State Parks in Florida that are on the ocean. In North Florida, try Gamble Rogers State Park in Flagler County. They have some spaces that will fit up to 42 feet, but most are smaller. There is also a private Campground on the Ocean in Beverly Beach, just North of Flagler Beach. There are a number os State Parks in the Keys that are on the Ocean, but chances are they are fully booked. You might get lucky and find a cancellation. There are also a couple on the Gulf of Mexico near Destin and Panama City, but Like the keys, they are probably booked also. Check website above.