I am not sure if you are able to actually look around the cave - we were not able too. As with many others, this was a stop on our jeep tour. However, we only had 1/2 hr to change, swim, get back up the 120+ stairs and be ready to leave. Not enough time.
Water was perfect, but I did not bother with the snorkel gear - wish I had. There is a shallow,very rocky area that is ok for the kids or parents with babies. Just watch them carefully as the main area is apparently 60M deep!
As my title says, worth a look (for only 5CUC), but next time I would go on my own
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.