Sims 2 Castaway where is the last treasure map piece ps2?

You have to fish a shark with your fishing pole, on the last island. Hope it helps, Madalyn96 xx RE: You can aalso fix the thingy in the valacano place. Then go to the new island it will be there XD Maymay24 to find the seventh and eighth treasure piece is to do a ceremonial dive you will find a treasure map piece then you must catch a shark it will have the other half in the tidal pool.