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
Tod Sirod Reef Tod Sirod Reef Tod Sirod Reef, formerly known as Collier 1 Reef is an artificial reef in the Gulf of Mexico, off the coast of Collier County, Florida. It is part of a network of artificial reefs off the coast of the county. Construction of the reef was done by a public-private partnership in 2015 The reef is composed of pyramid-shaped limestone reef modules and old concrete benches. Since their installation, the reef structure has been colonized by many forms of marine life including giant anemones and symbiotic cleaner shrimp, wing-oysters, tunicates, soft coral, algae, variegated and rock-boring urchins, and