play the puffle escape
Play the black puffle rescue and follow the Shadow of the octopus and then you are in the secret room and you have the key.
at the mine
in the mine
It is in the mine.
go to the mine, there will be a hallway with lights go in there. there is a stream go over that into a cave looking thing. that is the hidden lake.
the first boat is at the mine.
The mine party.
The answer is KEY.
Go to the mine then go through the carts
Push the "e" key then the "m" key.
to get more coin on clubpenguin you need to play the mine play it alot of time and you get more coin
You find the key from the book room in Rockhopper's book.