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
Apo Island dive center: Apo Island Beach Resort and Liberty's Lodge. There is also a ranger station and a lighthouse. The island is under the jurisdiction of the municipality of Dauin, Negros Oriental, and is one of the municipality's 23 barangays. As of the 2010 census, the island has a population of 918. Apo Island is located off the southeastern tip of Negros Island, 7 kilometers from the town of Zamboanguita, and 25 kilometers south of the Negros Oriental capital Dumaguete. Extending approximately 1.5 km (0.9 mi) from north to south and 1 km (0.6 mi) from east to west, the island