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Dark Sea is the eleventh level in the Dark Realm of Jewelry Land, in the game Yoshi's Safari. The level consists of a beach that Mario and Yoshi must traverse. After getting through hordes of enemies such as Cheep-Cheeps, Bloopers, and Koopa Paratroopas, Mario and Yoshi will eventually reach the end of the beach and fight the Koopa Troopa Sub.