<P> According to Jack Sparrow, Isla de Muerta is an island that cannot be found, except by those who already know where it is hidden . From the air, the island resembles a human skull . Mysteriously shrouded in fog, the isle is surrounded by a graveyard of sunken ships; its waters swarm with hammerhead sharks and shoaling fish . The island contains a series of connected caves, which contain the crew's loot and the Chest of Cortes . </P> <P> Before the events of the film, Hector Barbossa leads a mutiny against Jack Sparrow and becomes the captain of Black Pearl . Later, the crew finds cursed Aztec treasure on Isla de Muerta . By removing the golden medallions from their chest, the crew become undead and lose the ability to feel physical pleasure . In order to remove the curse, the crew collect the medallions and return them . </P> <P> Barbossa, believing that Elizabeth Swann is the key to breaking his curse, kidnaps her and brings her to Isla de Muerta . Captain Sparrow uses his magical compass, which points to the thing the user wants most, to follow him . With the help of Will Turner, Elizabeth, and Jack fight against the pirates in the caves under the island . James Norrington and his men fight against Barbossa's crew in the bay just offshore . By using Will's blood, the curse is broken and Jack kills Barbossa . </P> <P> In Dead Man's Chest, it's learned that the island was reclaimed by the sea, taking with it both the cursed Aztec treasure and the mountains of gold that Barbossa's crew had hoarded while they were cursed . It was with this gold that Jack Sparrow had agreed to pay his new crew . </P>

Was pirates of the caribbean filmed on the ocean