I am not usually a big fan of designer stuff in general, but Miu Miu brand seems to fit me very well. I have three pairs, all of which I managed to snag at a deep discount (used) on either Poshmark or ebay. I wish I could remember what I paid for them, but I'm sure it was well under 100 USD. Those sandals are actually pretty comfortable for what they are. I don't know that they'd be my first choice for wearing to Disney World, but they'd probably be ok to wear to the mall.
A parting thought: The other problem with Miu Miu, besides the retail asking price, is that the vast majority of the designs are pretty ugly. Evidently, Miu Miu is Prada's sort of fun, wacky styled line. Also, as I'm sure people are resignedly used to by now, they don't make them above size 42 (which I'd consider a USW 11).