I also managed to get a days diving in - including one to an astonishing place called 'The Cathedral'.
This is is a cave with an entrance at about 15m - you pass into the opening - and can see a blue light in the distance - eventually you come to a huge cavern with a skylight -an a huge rock in the centre like an altar. You then swim around the rock and back ut the way you came. Fresh water mixes in the cavern so you get all these weird optical effects - it must really have freaked out the first person to discover this place.
Blue Adventures Diving