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
Artificial reef material because no toxic substances are released from the decomposition of tires; though there is little information published to back up the claims and the future decomposing of the many different types of rubber tires could create unseen pollution. Tires have fallen out of favor with marine biologists. Tropical storms may demolish the tire containment system, washing tires onto beaches, destroying nearby coral reefs and inhibiting new coral growth. As a result, states such as Florida and the country of France have begun large-scale removal of tire reefs. On the Osborne Reef off the coast of Fort Lauderdale, Florida boaters