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
Apo Reef and is about in depth. Likewise, reef limestone and coralline sand on the east and southeastern sides dominantly underlie the area. The main geographical feature of Apo Reef is submerged, but three islands mark it on the surface: the Apo Island, Apo Menor (locally known as "Binangaan") and Cayos del Bajo ("Keys of the bank", locally known as "Tinangkapan"). The islands are uninhabited. Since the declaration of “no-take-zone” policy at Apo Reef Natural Park in 2007, only protected area personnel and members of the Task Force MARLEN (Marine and Apo Reef Law Enforcement for Nature), who are task to implement