Apo Reef Light of gallery. The light station on Apo Reef was part of the first approved group of lighthouses in the Maritime Lighting Plan of Spain for the Philippine Archipelago during the Spanish Colonial Period. It was proposed to erect a steel tower with a third-order light on Bajo Apo Island. In 1896, the tower and the lighting apparatus were already purchased complete by the Spanish authorities from France, and they were delivered and stored at the warehouse in Manila. All lighthouse constructions though, were halted with the outbreak of the Philippine Revolution and then the Spanish–American War. When the Americans took
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