IHOP is over priced ( cheaper food in the park from what I remember)
Tony Romas (I think they are ALL over priced for the food quality)
Mimi's (I have heard good reviews of and plan on eating here in August)
Inside the Grand Calif. is a snack place near their pool. White Water Snacks, which I feel is a hidden jem. They have a limited menu, but the prices are great. The food from the grill is made when ordered (burgers, chicken sandwiches, chicken strips..) and they also have large selection of salads, pre made sandwiches. White Water Snacks is someplace we eat a few lunches/dinners at each time we go. We love sitting outside and watching the birds and the people walking around in DCA. It has never been crowded so we feel like we have the place to ourselves.