Good shoes/sandals for platform pedals?

[Heifzilla]

I have platforms, and I have about zero interest in getting cages or clipless at this point...but I need a nice stiff-soled shoe for riding. I'd like some sort of sandal/open/mesh shoe because we are coming on summer and I know I'll appreciate it then. I really don't need or want shoes that have the cleat pegs on the bottom that allows you to use them with clipless pedals. I just want some stiffer than usual, well made, comfy shoes.

Any recommendations? Someone here has had to have had the same issue I also don't want to spend too much. $100 or below would be great. Thanks!