Black Pearl Island is the setting of the Black Pearl Boss Battle, which is the conclusion of The Black Pearl Crew Story Quest. The island's sole purpose is for the Royal Navy to house The Black Pearl after confiscating it from Jack Sparrow. The island is located in the outskirts of the Caribbean and can only be accessed through the Treasure Map section of the Lookout Tab of a pirate's Sea Chest.

Though labeled Black Pearl Island, the isle is never formally given a name. Due to changes in the Black Pearl Quest, configuration and strength of the forts have been modified several times.

The island is heavily guarded by Navy Panthers, Cannon Towers, and the massive Goliath.

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