Monster High: Escape from Skull Shores(2012)

Overview:

It's officially Spring Break at Monster High, and Lagoona takes her gilfriends across the sea to the Great Barrier Reef, but they are ship wrecked and end up on a mysterious skull shaped island. At Skull Shores, they enjoy the local hospitality until they realize that they are being used by a slippery showman named Farnum to lure the rarest, most mysterious monster of them all, "the Beast.”