John Pennekamp Coral Reef State Park is a renowned state park located in Key Largo, Florida, United States. Established in 1963, it was the first underwater park in the United States and covers approximately 70 nautical square miles (184 km²). The park is named after John Pennekamp, a newspaper editor and environmental activist who played a key role in preserving Florida's natural beauty.

The primary attraction of John Pennekamp Coral Reef State Park is its stunning coral reefs, which are part of the Florida Keys National Marine Sanctuary. The park is home to an abundance of diverse marine life, including colorful corals, tropical fish, sea turtles, and various species of aquatic plants. The park's underwater scenery is ideal for snorkeling, scuba diving, and glass-bottom boat tours, providing visitors with an opportunity to explore the vibrant marine ecosystem.

In addition to the underwater attractions, the park offers other recreational activities such as kayaking, canoeing, and fishing. There are designated areas for picnicking, hiking trails that wind through the park's lush vegetation, and a visitor center that provides educational exhibits and information about the area's ecology and conservation efforts.

Overall, John Pennekamp Coral Reef State Park is a popular destination for nature lovers, water enthusiasts, and those interested in experiencing the beauty of Florida's marine environment. It serves as a valuable conservation area, promoting awareness and preservation of the delicate coral reefs and marine life that make it a truly unique and breathtaking place to visit.

John Pennekamp Park provides the opportunity to visit six distinct types of ecosystems including mangroves, coral reefs, seagrass beds, hardwood hammocks, and coastal uplands. More information on these habitats here.

Pennekamp is home to endangered or vulnerable species in Florida and the United States. Some of the unique species found in the Everglades are: