I was doing some surfing in the Etsy site, and I found something creative to use and show while you walk in the beach, from beads to crochet, the idea of adding some items to your feet is great, it looks pretty, you can even use them for the pool. If you looking for something affortable, the crochet items go from 5 to 8 US dlls, loves2docrafts2 has a big selection and designs or dachuksb7196 has cute designs to look and buy. If you looking for some knitting items go more around 12 US dlls, there even more affordable like the one in the photo that you can find for arounf 5 US dlls Etsy Lasunka.
If you like beads better, might cost you more, I found some from 21 to 25 US dlls, they look hip and cute, depends of the design and they will make an impression in my opinion. I found buoyantearth and FreeLovinThingery with a selection of different barefoot ankle items.