Thank you so much everyone, for all of your comments. It sounds like no matter where we go, we will find a large variety of activities and things to do/see.
I think we are going to stick with the East Coast this year and head to mid-Florida. I have found a few places that sound promising. For us, fitness center and those activities are a must. It is such fun to look at all the various RV Parks' websites and to read the comments. (did I mention overwhelming?!)
So send your Florida recommendations our way!