Apo Reef Apo Reef Apo Reef is a coral reef system in the Philippines situated on the western waters of Occidental Mindoro province in the Mindoro Strait. Encompassing , it is by no means the world's second-largest contiguous coral reef system, but is the largest in the country. The reef and its surrounding waters are protected areas in the country administered as the Apo Reef Natural Park (ARNP). It is one of the best known and most popular dive sites in the country. It is listed in the tentative list for UNESCO World Heritage Sites. Apo Reef can be found around west
Unmanned reef lights of the Florida Keys looked like smaller versions of the older reef lights, but had no keeper's quarters. The first two unmanned lights in the Florida Keys, the Molasses Reef Light and the Pacific Reef Light, were built to the same plan in 1921. The Molasses Reef Light is still standing, but the lantern has been removed, and a NOAA automatic weather station now sits at the top of the tower. The tower, which is painted brown, stands in of water. The United States Coast Guard indicates that a lightship was stationed at Pacific Reef starting in 1838. The Pacific Reef Light erected in