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
Shark River Reef in December, resulted in the deliberate dumping of 3,600 cubic yards of dredged rock material about half of a mile north of the reef. Due to a punctured hull, the barge carrying the rock began to lean rapidly. To avoid possible sinking or flipping of the barge, the captain dumped the rock. Shark River Reef Shark River Reef is an artificial reef located in the Atlantic Ocean, 15.6 miles southeast of Manasquan Inlet, off the coast of Ocean County, New Jersey. The site contains almost 4 million cubic yards of dredge rock material. Although 96% of the total reef material