What are the beaches like on the nortthern carribean side of costa rica?

Question

please describe if you been there what they are like

Answer 1

the water is crystal clear and shades of aqua... the beaches are very clean with light colored sand and palm trees everywhere, also you can find a huge variety of shells if you like them, however they aren't as private as they are on the pacific side

Answer 2

what I remember is the black sands, and the driftwood. lots of driftwood.