Calicoan Island Wall

Calicoan Island's eastern coast directly faces the Pacific Ocean and its outer wall is one of the most exposed — and most pristine — reef walls in the Eastern Visayas. The wall starts at the surface and plunges beyond 50 metres, passing through distinct coral zones: shallow rubble and Acropora, mid-wall sea fans and wire corals, and deep black coral trees. Strong Pacific swells push nutrients upward along the wall, supporting dense schools of fusilliers that in turn attract tuna and reef sharks. Calicoan's reefs are genuinely underpopulated with divers — many visitors to the island come for the surf, not the diving, which means the underwater world here sees almost no pressure.