Experience diving or snorkelling with the Whalesharks of Oslob followed by one or two great dives on Sumilon Island. The Marine Sanctuary was one of the first marine sanctuary to be established in the Philippinesis and the highlight of many div-er's holiday. If you are lucky, might see whitetip or blacktip reef sharks and even whalesharks pass by sometimes. Please take note we can only go there if weather conditions allow it.