The West Blue is an ocean in the One Piece World. West Blue, like its sister seas, comprises almost entirely of ocean, with a few scattered islands and a border with the Red Line. It is known to be the birthplace of the Straw Hat Pirates' Archaeologist, Nico Robin, and Musician, Brook; the Yonko Red-Haired Shanks; and one of the members of the Worst Generation, Capone Bege. Also, it is the birthplace of the Happo Navy.