Go online to Wet and Wild's website and see if they still have a printable coupon. The other water park in Orlando has a website too, and they had coupons there as well. I am trying to think of the name. Maybe someone will know, or you might already. As far as the Disney waterparks, I don't think they have any discounts other than, paying less by going late in the day.
Have fun!
Wet and Wild is a blast.
If you know anyone that lives in Florida, they get major discounts on admission. That's what we did.