This is a (somewhat) hidden beach with small pebbles and yellow sand which you can access by the staircase (a very steep one) from the road above it or from Beach Portofino nearby (see on the map).
I recommend you come better from the Beach Portofino area since you will pass through small coves hidden from the eyes that have shade and feel very secluded. No one really knows about these coves besides locals who live in the area and their guests.