How do you beat the last level of Pirates Caribbean?

Please clarify which "Pirates of the Caribbean" game you're referring to. There are many games based on the franchise, including:

* Pirates of the Caribbean (2003): This is a fighting game for PS2, Xbox, and PC.

* Pirates of the Caribbean: The Legend of Jack Sparrow (2006): This is an action-adventure game for PS2, Xbox, Wii, and PC.

* Pirates of the Caribbean: At World's End (2007): This is an action-adventure game for PS2, Xbox 360, Wii, and PC.

* Pirates of the Caribbean: Dead Man's Chest (2006): This is an action-adventure game for PS2, Xbox, GameCube, and PC.

* Pirates of the Caribbean: The Curse of the Black Pearl (2003): This is an action-adventure game for PS2, Xbox, and PC.

* Pirates of the Caribbean: On Stranger Tides (2011): This is an action-adventure game for PS3, Xbox 360, Wii, and Nintendo 3DS.

Once you specify which game you're playing, I can provide you with specific tips and strategies to help you conquer the final level.