you have to talk to the clam in jellyfish field then go to the strange portal in the cave
to the left then you go left and get the sand in the dunes then you have to go right from
spongegars house then give that clam the sand dunes finally go back to the clam in
jellyfish fields and talk to it again and VIOLA there you have it the pearl email me at
belal21999@hotmail.com for questions