Above one of the bookshelves is a lion and the lion has only one eye. Put the glass eye on the lion and the key will come out of the lion's mouth.
We can get the key in vampires curse island with the help of the hook on the right side of it.
Vampire's curse is the most recent island.
Vampire's Curse island will be available to non-members on 22nd March 2012.
You go to a different island
poptropica
in the armory
remoat
You will see a wand in the umbrella holder... click on it and grab the key with it... Good luck :)
the next island is vampire's curse island ! looks fun
u find the root and find the forula and there is a shiny cane where the key is.
find an eye , put it in the eyeless tigers hole, and a key falls out. use it to unlock the amory
Figure it out yourself