halocline
Contributor
Huge thank you to all of you folks who have responded on this. Like deep sea said i've evidently found the right forum. We booked for June back in December and i've been scoring the internet far and wide to take in every spec of information that I can on the matter, including searching for dive ops here in West Virginia that we could do our confinement dive with. The closet op to our location is about 3 and a half hours away and all of the diving is done in a lake.
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Doing the confined water stuff in Cozumel is perfectly fine, and doing the entire course in Cozumel is also perfectly fine. There are great dive instructors there that certify divers all the time. The advantage of getting the classroom stuff and pool sessions done before you go is primarily to give you more actual dive time on your trip. But doing your OW cert dives in Cozumel is much much better IMO than doing them in a cold shallow lake. When learning something new, it's always best to start in the easiest conditions and then progress to more difficult, not the other way around. Plus, you're paying for those cert dives; you might as well do so in the beautiful reefs of Coz. The only problem is that you'll get spoiled!
There's a very good dive op called Scuba Shack, aka Roberta's, just a few doors down from the Park Royal. I've been diving with them for years, in fact I'll be there in May. They'll set you up with a great instructor and the area just in front of the dive shop is fine for the confined sessions. Have fun!