The existence of the Pacific Ocean and a western coastline for South America on the 1507 Waldseemüller map remains an unsolved mystery for scholars. In 1507 neither Balboa nor Magellan had reached the Pacific Ocean. How then did Waldseemüller know of the ocean’s existence and depict a continent whose coastline on the west borders the ocean?
CARTA MARINA 1516
The size of South America is greatly reduced and, even though this is a later map, Waldseemüller no longer shows a Pacific Ocean.