The translation key (the missing page from Professor Hammerhead's journal) is on top of the building at the ruins. You can reach it by pushing the big rock to the right, climbing the vine, and jumping left from the wooden platform.
It is in the shark cave
To get the ingredients on shark tooth island,you must open the door in the cave,get the 2 ingredients and go back to the native islander and give him the stuff
its OPEN
The code is on the roof above the cave - you have to move a box to go up the vine and jump off onto the roof.
Press the third, fourth, sixth, and seventh teeth from the left, and then push the nose. This should open the door -- because these symbols spell "Open" in hieroglyphics.
To open the underground door, press the four teeth that spell "OPEN". The translation page is on top of the ruins. Press the four teeth, then the nose.
find the paper to unlock the door. get in n d ingredients will b there
it means that you'r supposed to go trough the door and kill joyce
go on top of the temple and get the paper then go to the door and spell open with the symbols on the piece of paper then the door should open
You keep it to translate the symbols for the underground door. (see related question)
it is the first one
Spell the word "open" in ancient symbols using the translation page. (see related question)