I am looking for a pair of water shoes for DD. She is a tiny toddler, almost 2 years old and wearing a size 5 shoe. I'm wondering what water shoes you love? We live in a beach town and will be at the shore almost every nice day and the beaches are rocky down by the waterline. I am also wondering how the sizes tend to run so that I can decide whether to size up or down or true to size for the summer. Ideally, I'd love to find a pair under $20, but I am willing to pay more for something with rave reviews. Please help before all of the stores sell out for the season!