Well, important things first:
NADIA TO WIN
and second, we usually spend 4-5 hours at Wet n Wild. There is plenty to do and a good combo of slides, tubes and pools. It is very exposed though, so on a hot day you may not last that long! Its probably better to go late afternoon (in summer) as the crowds thin out after 3pm, or in winter or autumn head in early.
It depends on how much you like this sort of park. Most teenagers could probably spend all day here.
Allie