For budget travellers, there are buses that take you to and fro from Manila. These are not the only dive sites available, and below's just a general guide to the dive destinations. There are also caves to be explored. Depending on where. Depending on location.
Strong currents are present near the outer reefs.
Easy to moderate. Lots of marinelife here. Well developed coral reefs. Especially the soft corals in the deeper parts of the reefs. Large gorgonian sea fans and whips.