Apo Reef the flora, the fauna and the clarity of the water and white sand. Many species can be observed in deep or shallow waters in particular, sharks, giant napoleons, mantas and murenas. The coral is in good health and growing. The Apo Reef is a protected area of the Philippines classified as a Natural park encompassing . Of the total area, comprises the Apo Reef Natural Park while the remaining constitute a buffer zone surrounding the protected area. Prior to its declaration as a protected area, Apo Reef was first officially declared a "Marine Park" by then Philippine president Ferdinand Marcos
Port Noarlunga Reef Aquatic Reserve full extent of the Onkaparinga River from its mouth to the bridge on the South Road in the suburbs of Noarlunga Downs and Seaford Meadows. The portion of the aquatic reserve located within Gulf St Vincent includes two reef systems that are exposed at low tide - the Horseshoe Reef located off the coast at Christies Beach and the Port Noarlunga Reef located off the coast at Port Noarlunga. The Port Noarlunga Reef is connected to the shore by a jetty. The aquatic reserve was declared on 30 November 1971 to protect “reef organisms from exploitation and for the conservation