San Miguel Slope

San Miguel Slope lies north of Dumaguete City in the barangay of San Miguel, where a long gentle volcanic sand and rubble slope descends from very shallow water to 30 metres and intercepts open-water currents that push in from the Tañon Strait. The combination of nutrient-rich water and complex mixed substrate makes it a strong bet for deep muck rarities — coconut octopus burying themselves with paired shell halves, robust ghost pipefish in multiple colour morphs hovering at hydroid clusters, and hairy frogfish in slow-walk hunting mode across the sand. The moderate current in the 15 to 25 metre zone concentrates longnose hawkfish on sea fans and brings in open-water pelagics like rainbow runners that cruise the slope edge, giving San Miguel a dual character as both muck site and drift option on stronger tidal days.