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
Montgomery Reef Montgomery Reef Montgomery Reef is a reef off the Kimberley coast of Western Australia. It is situated at the south western end of Camden Sound and surrounds the Yawajaba (Montgomery) Islands. It is approximately off shore, opposite Doubtful Bay to the east and Collier Bay to the south. The nearest populated place is Bardi, which is approximately to the south west. It has a total area of making it Australia's largest inshore reef; its length is about . Montgomery Reef has an unusual wide tidal range, up to . When the tide is out, vast lagoons, sandstone islets, and a