2 facts
Explore the mysterious depths of the Blue Hole, a stunning underwater sinkhole teeming with unique marine life. Discover its geological wonders and diving secrets.
This perfectly circular underwater cavern is over 300 meters across and 125 meters deep, formed during past ice ages. It's a world-renowned dive site, revealing ancient stalactites and diverse shark species within its depths.
Dean's Blue Hole on Long Island plunges over 200 meters (663 feet) deep, making it the deepest known ocean blue hole globally. These underwater sinkholes are popular for free diving and exploring unique marine ecosystems.
