Overall, we had a great time with muck diving searching for tiny critters, and when you are tired of staring at black volcanic sand, there is alway the corals, jacks and barracuda at Masaplod, Basak and Guinsuan area.
Besides diving the various sites along the Dauin coast, we took day trips to Apo Island and Siquijor Island. Wall drift dives with jacks at Apo Island, great hard and soft coral formations, fantastic visibility at Siquijor with a bunch of spanish dancers.
Diving conditions were not PERFECT during our trip. There were strong winds prior and on the first 2 days of our trip, which stirred up the vis quite a bit. Vis was getting better on the later part of the trip and we can only imagine doing muck diving in aquarium clear water without currents ... apparently that happens during July to Sep !