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
Penfield Reef Light Penfield Reef Light Penfield Reef Lighthouse is a lighthouse in Connecticut, United States, on Penfield Reef at the south side of Black Rock Harbor entrance on the Long Island Sound, off the coast of Fairfield, Connecticut. Constructed in 1874, it was one of the last offshore masonry lights. Most offshore lights built after this were cast iron towers built on cylindrical cast iron foundations. Penfield Reef has been called one of the most treacherous areas of western Long Island Sound. The structure is about off Fairfield Beach, on one end of the reef. The lighthouse's foundation, structure and roofs were