I'm not sure i couldn't see her either the coordinates were x=87 and y=16 but i did that and it did not show her but you should try again or look at the website : PoptropicaIslands.com
you get them from the telescope.
we are.
84 16
42 33
87 16
42 33
click on the lens
Get to the castle
(87,16)
on the desk next to her telescope
The telescope is in CJ`s room in the far left part of the house
After using the telescope on Shrink Ray Island, you need to enter the cabin and search for clues to help you progress in the game. Look for any important items or information that may assist you in finding the missing scientists and stopping the villain Dr. Romero.