im stuck on outset. i already saw the pirtates at the bomb shop, won the bombs on the ship from niko, and sailed back to outset to see jabun...how do i get to his cave on outset? i sailed around and there this big wall with a carving in it and swirling water in front of it but i dont know what to do. plz help!

Use your bombs to break the wall down! :lol: When ya equip bombs in the boat, it brings out a cannon to shoot the bombs out of.