Yes, there are plenty of sites you can go to. The best one, though would be Padi. They are the best online Scuba resource you can find.
About.com has a good list of scuba certification agencies that you could check out.
You will need to train with a certified SCUBA company. PADI and BSAC are two of the best known. Try their websites for local dive clubs which will run training couses.
Scuba Certification is not what you really pay for, you are actually paying for gear and materials and other things you will need to complete a scuba class. You also usually have to pay for the class.
If you are not certified No you cannot rent scuba gear
This order is the regular certification, the Advanced Diving certification, and the Rescue Diving certification.
100,000
60 feet
Scuba Bob's Ocean Quest - 2006 Adaptive Diver Certification Part 2 4-3 was released on: USA: 2009
You can purchase diving fans and other scuba equipment online at websites such as Scuba and Scubastore. You can also find them at some retail websites such as Amazon.
I'm very new to SCUBA Diving, but I did my certification dive at Ginnie Springs in High Springs, Florida. It is a world famous cave diving location.
The best place to find information about the Scuba Pro product is on the official site. There, one will find lots of information about their products in detail.
A scuba diving set can be anywhere from 50 to 100 dollars for a set to do a certification dive, but this is for just rental. I saw a scuba set for 1000 or 2000 dollars, but this is to buy the set. this was just a beginners set, however, and they can go for 5000 dollars for a good set.
The cost to scuba dive in the state of Hawaii varies depending on the venue. The average cost varies between $100 and $150 per day, as of August 2014.