Cathedral is the most popular site with an average of 19 meters and a maximum of 30 meters depth with a strong current. This site resembles a roofless cavern blessed with two large sea mounts. It is a Marine Park Sanctuary for a new coral has been seeded and it’s teeming with fish. There are numerous numbers of colourful sponges, sea squirts, feather duster worms as well as algae and stony corals with Christmas-tree worms.
- Apo Island