Access to John Pennekamp Coral Reef State Park highway sign East of highway. John Pennekamp Coral Reef State Park. Campgrounds offer 47 full-facility camping sites for both tents and RV campers. Restrooms, with hot showers, are available as are laundry facilities. You can explore the parks 2 ½ miles of marked mangrove wilderness trails. John Pennekamp Coral Reef State Park has two manmade beaches, each with its own distinct personality. Cannon beach is the parks primary snorkeling beach, where you will find the remnants of an early Spanish shipwreck approximately 100 feet offshore. In Florida, “roughing it” isn’t always so rough. There are literally hundreds of great campsites throughout the Sunshine State, from deserted coastal islands ideal for tents to full-service campgrounds that can accommodate recreational vehicles.