
John Pennekamp Coral Reef State Park is the first undersea park in the United States. Encompassing approximately 70 nautical square miles, John Pennekamp is located in Key Largo. The park's upland areas offer visitors a unique experience in the mangrove swamps and tropical hammocks. John Pennekamp Coral Reef State Park was created to preserve a portion of the only living reef in the continental U.S. The park extends 3 miles into the Atlantic Ocean and is approximately 21 miles in length. The park is named for John D. Pennekamp, an early proponent of reef preservation. The park contains a wide variety of tropical vegetation, shorebirds and marine life.
The visitor center offeres a 30,000 gallon saltwater aquarium, nature exhibits and a theater showing nature videos, as well as 3 nature walks. A 2.5 mile canoe trail winds through the mangrove swamp. Canoe and kayak rentals are available.
For the camper, there are picnic tables and grills scattered about. Pavilions are free on a first-come basis. Reservations are a must for RVers and tent campers. My sister tried unsuccessfully several times to make reservations and was disappointed every time.
There are two very nice beaches within the park that are open to the public with a minimal admittance fee to the park.
John Pennekamp offers several daily glass-bottom boat trips to the coral reef as well as snorkel and scuba trips. Reservations are recommended by calling the dive shop at 305.451-6322. There is also a boat ramp and motorboat rentals at the marina. Marina slips and Largo Sound moorings can be rented overnight by contacting the dockmaster at 305.451-6325. Anchoring on the reef is forbidden. Touching or standing on the coral, lobstering and spearfishing is also prohibited. Anglers will need to purchase a fishing license in order to fish the reef.

Hours are 8 a.m. until sunset, 365 days a year. An entrance fee is required. Pets are permitted in certain areas, but must be kept on a leash. For more information visit www.pennekamppark.com or call 305.451-1202. John Pennekamp is located at MM 102.5 in Key Largo and is a beautiful place to simply spend the day if camping is not your thing. The rangers and employees are helpful and knowledgeable and all in all, it's a great facility and worth your time.