To get the map to the all the islands, go talk to the library manager and he will tell you some things then tell you to go to the ferryman and he will tell you some things also then tell you about the map and tell you to go to the pawn shop owner and he will trade you the map for your ring or the pearl you find on the beach.

To complete the puzzle at the bottom of the cliff, click on the first 'R' in the first word, then the 'I' right below it, then the 'S' below that, and finally, click on the 'E' below the that.