Blue Holes National Park, located on Andros Island in the Bahamas, has one of the highest densities of blue holes in the world. Established in 2002, the park covers approximately 40,000 acres and was established to protect these unique natural wonders and the surrounding pine forest and scrub ecosystems. Blue holes are vertical caves formed by the collapse of limestone. The water is clear and the depths are unfathomable, attracting diving enthusiasts to explore. The blue hole ecosystem in the park is home to a variety of unique cave fish and invertebrates, making it an ideal place for nature lovers and explorers.