100 bucks for the class,you'll need fins,mask,snorkle(another $200 bucks or so)you show up for the class(you have to register first)float for 20 minutes and swim 200 yards.its a 6 week class,every sat and sun from 2pm till 6pm.you take your open water at Haigh quarry(another $100 bucks)i spent about $400 - 500 bucks for the whole thing