Apo Reef of the nearest coast of the Philippine island of Mindoro. It is separated from main island by the Apo East Pass of the Mindoro Strait. Politically, the reef lies within the jurisdiction of the Province of Occidental Mindoro in Region IV-B of the Philippines and more accurately of the Municipality of Sablayan. Tourism activities are administered by local government of Sablayan and the local office of the Department of Environment and Natural Resources (DENR). Apo Reef is roughly a triangular coral atoll formation approximately from the north to the south tip, and from east to west. It is separated by
Redbird Reef Redbird Reef Redbird Reef is an artificial reef located in the Atlantic Ocean, off the coast of Slaughter Beach, Delaware, east of the Indian River Inlet. Established by the Maryland Reef Initiative in 2001, this reef covers 1.3 square nautical miles of ocean floor and is located below the surface. The reef comprises 714 Redbird (R26–R36 World's Fair series) New York City Subway cars, 86 retired tanks and armored personnel carriers, eight tugboats and barges, and 3,000 tons of ballasted truck tires. The amount of marine food has increased 400 times over 7 years. The site is the most visited