My son did his open water at Scuba world (alona). 9 dives, 16,000 Pesos.The diving there is also very good and it's easy, and fairly cheap to learn if you are a newcomer.
You can get far cheaper deals but some of these instructors expect you to qualify with only 3 dives to your name which is crazy IMO..
You certainly get what you pay for.
If you want a less touristy bar than Oops,give Trendi`s a go..All day happy hour and P25.00 for an SMB..
We got lucky at Bohol beach club a few weeks back..No entrance,and P200.00 drink all you can!!
Needless to say..