The Mystoria Island is one of the three islands to which one of the needles on the New World Log Pose points after coming from Fish-Man Island, making it one of the first islands in the New World. It was first mentioned by Vice Admiral Smoker. Although it hasn't made an entry to the anime or manga, it has been briefly introduced.
- ↑ One Piece Manga — Vol. 66 Chapter 655, Smoker mentions Mystoria Island as one of the three possible islands to enter after Fish-Man Island.