A bit expensive, but worth it, I think. The set up is like a meandering trail through the Amazon for most of it, then there is a neat sitting area where you can look at a huge wall of sharks, rays and turtles. There is also a moving path that takes you under the same large tank to see the fish swim over you. It takes about an hour and a half/two hours to go through w/ a two year old (small attention span).
It is typically very crowded, even during the week with school field trips, but if you get there right at opening time (10 AM) you practically have the place to yourself. We have been twice now and plan on going again while stationed here.
One of the more kid oriented aquariums I've been to, as there are discovery type exhibits throughout.