I agree with the poster that wrote that Coral Reef does not have a lot of seafood for a "sea" themed restaurant. My family dined there last trip and didn't love it. We won't be going back for a while.
As far as kid friendly, with seafood, I'd go with Cape May Cafe. The tables are covered with paper that the kids can color right on. There will be lots of families there. My kids love the clams, mussels, fried shrimp. We have not eaten there since the addition of the snow crab legs, but when my DS 14 found out they had them now, he was all over me to book that ADR for our May 2011 trip!
My DD 8 is not a huge seafood lover, and always finds tons of things she enjoys there. Pasta, chicken, sausage, prime rib, pizza, mac and cheese, caesar salad, and she's good!
Oh, and you can get pitchers of beer there. Our servers have always been REALLY good with the refilling of the pitchers...beer goes so great with clams. It is a little noisy with all the families, but it is a very friendly place to eat and we have never had bad service there.