more common destinations like Puerto Galera, Dumaguette, Anilao etc. Mostly wreck dives.
It's easy enough to get there from Manila, so if you've a few days in that area, it's worth
a short trip I think. Here's the link to the trip report and photos, with my thoughts on what to (and not to) do:
Trip notes and photos, Subic Bay, Apr 2010
.. oh, and about the sex: it's just plain old nudi sex:

cheers,
Ajay.