I like this cave, I want :)

because you need to swim lower to reach the next cave

You mean to swim underwater?.. I hate even a thought about swimming underwater in hope to get to the next cave chamber... :) But maybe I would try :) They should stretch a rope underwater between the caves to make visitors feel bravier maybe.

How far from Cebu City by ferry, how much a ticket one way? Interesting to learn about prices in the Philippines. :-)