Do you know where your toolbar is? It's the bar that has stuff for you so you can talk. There, I think next to the snowball icon, is a little picture of an igloo. Click on it, and you will get to it. For membership, you can buy stuff for your igloo. If you don't buy membership, you can only by one red puffle and one blue puffle, or two red puffles, or two blue puffles.
You have to be a member and click at the video.
there is no secret iceberg in club penguin. unless you have some malasian cheese in your house. then the story changes.
Inside the shop in the back corner
you can go to the tree house store in the plaza
I realize it says in Club Penguin. Unlike the other idiot who answered but no. No houses in Club Penguin have any secret rooms......
the light house
yes of course
you go to your penguin's house then you see a picture of a house click on it and there you go
by a bigger house
at the light house
you can't
your house and you can also mute the music in club penguin settings
go to your home and start building
the light house is where the beacon is
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in the lite house
it was created at your house