I would suggest getting a size bigger but they do seem well made.
The soles of the "water socks" are very similar to shoes so they will hold up well at a water park or the beach. I would absolutely suggest these.
Saucony Girls Cohesion Running Little
52 Review
ALEADER Walking Sneakers Lightweight Purple Girls' Shoes and Athletic
52 Review
Breathable Fashion Sneakers for Baby & Toddler Boys & Girls: Bless Children Walking & Running Shoes
54 Review
KUBUA Sneakers Lightweight Breathable Athletic Girls' Shoes for Athletic
53 Review
Stylish and Comfortable pediped Flex Estella Mary Jane Shoes for Toddlers and Little Kids
60 Review
Dance in Style with Molly Jane Tap Shoes: Unisex-Child Mary Flats
50 Review
DREAM PAIRS Little Aurora 03 Communion Shoes and Flats for Girls - Top Choice for Stunning Style and Comfort
49 Review
Adorable Blowfish Malibu Play-t for Toddler and Little Girls
47 Review