I spent a week in Coron the year before last and would certainly recommend it for the wreck diving. There are a dozen or so that can be dived, and each of them offers a different experience. Some are quite deep, upto 45m to the prop, but other less so. Nitrox is a must for the deeper wrecks. We stayed and dived with Sea Dive. They certainly had great guides and tailored the type of dive to the experience of the group. Since my group was experienced we penetrated most of the wrecks. I will remember swimming up the prop shaft at 45m on one wreck for a long time!! Other groups were quite happily guided around the shallower parts of the wrecks and as far as I am aware were never taken outside their comfort zone. The trips to the wrecks did take a couple of hours, but the scenery was amazing en route. There is also a crash water thermal lake that can be dived.. Well worth the experience.. Layers of thermoclines and haloclines and the chance to bury yourself head first in the soft silt! The other plus was the Cathedral Cave. A short swim through a tunnel before surfacing I'm a sunlit cave !! Very special!! We stayed with Sea Dive .. Good basic rooms, good food and a comfy bar complete with memorabilia from the air raid that sank the ships. Probably true that not too much to do topside but I believe there were spas and island hopping trips availae also. The place was only an hours flight from Manilla and was well worth visiting!!