We just returned from the Dolphin with older kids-teens, and they loved it because of the gorgeous pool, the game room, the ice cream shoppe, Tubbi's for refillable mugs, the beach, swan boats, basketball hoop, watching fireworks every night from outside the room. They loved walking the Boardwalk with its many entertainers, ESPN, mini golf across the street, and the list goes on...Many of the things I've mentioned here can be for kids of any age, though. I know there are character breakfasts, though haven't been to one. We even gave up some park days to relax around the pool.
I've always heard nice things about CBR from friends; hopefully some fans of this resort will be able to answer your questions. Seaspray has a wonderful website devoted to CBR resort with lovely pictures.
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Joanne