Best waterproof casing for S4
So I've decided to go with upgrading my HTC EVO 3D to the S4, and as much reading as I've done, I can't quite find what I'm looking for, so I'm looking to see if any of you have hands on experience with this. I'll be getting the phone on the first of July, and I'd like to order the case now so I will have it by the time I get the phone. I want a waterproof case simply because I yearly go snorkeling in the Bahamas and I'd love to be able to take great pictures of the corral and fish without paying 300 for a underwater camera. I know you might say, just get a s4 active given it comes with a waterproof case, however I hate the fact it dumbs the megapixels wayyy down from 13 to 4. I also currently have the otterbox on my evo 3d which I way too bulky for me anymore, I'm looking for something to provide great protection, waterproofing up to 3 meters for a half hour period or more, and slimmer than the otterbox. Any suggestions? Pricing?