The island has a Dead Lake, dark blue, almost black water always have a constant temperature - about 15 degrees. In the lake there are no fish, no animals or even plants. Despite its small size (50x100 m) no one dares to cross it.
Madagascar Island got its name from Marco Polo by mistake. He mentioned it in his memoirs under the name Madeygaskar as had heard about this place while traveling in Asia. However, judging by the descriptions of Marco Polo, it is clearly something mixed.