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
Redbird Reef Redbird Reef Redbird Reef is an artificial reef located in the Atlantic Ocean, off the coast of Slaughter Beach, Delaware, east of the Indian River Inlet. Established by the Maryland Reef Initiative in 2001, this reef covers 1.3 square nautical miles of ocean floor and is located below the surface. The reef comprises 714 Redbird (R26–R36 World's Fair series) New York City Subway cars, 86 retired tanks and armored personnel carriers, eight tugboats and barges, and 3,000 tons of ballasted truck tires. The amount of marine food has increased 400 times over 7 years. The site is the most visited