Phantom islands of the Atlantic Ocean

thumb|upright=1.4|Thule as Tile on the Carta marina of 1539 by [[Olaus Magnus, where it is shown located to the northwest of the Orkney islands, with a "monster, seen in 1537", a whale ("balena"), and an orca nearby]]

mythical island

thumb|The Zeno map showing Frisland to the lower left

Antillia or Antilia is a phantom island that was reputed, during the 15th-century age of exploration, to lie in the Atlantic Ocean, far to the west of Portugal and Spain. The island also went by the name of Isle of Seven Cities (; ).

thumb|250px|A 1914 map showing U.S. claim on "Bermejo I."

phantom island in North Atlantic Ocean

The Cassiterides (, meaning "tin place", from , kassíteros "tin") are an ancient geographical name used to refer to a group of islands whose precise location is unknown, but which was believed to be situated somewhere near the west coast of Europe.

phantom islands

phantom island in Atlantic

phantom island

phantom island in the South Atlantic

Phantom island in Canada

phantom island

thumb|Mayda on a 1649 map by Willem Blaeu Mayda (variously known as Maida, Mayd, Mayde, Brazir, Mam, Asmaida, Asmayda, Bentusle, Las Maidas Bolunda, and Vlaanderen) is a phantom island in the North Atlantic Ocean that appeared on maps from the 14th century until the early 20th century. Typically depicted as crescent-shaped and positioned west of Brittany or southwest of Ireland, approximately at 46° to 48° N latitude, Mayda was among the most persistent of the Atlantic phantom islands. Alexander von Humboldt observed around 1836 that of the numerous legendary Atlantic islands, only Mayda and B

phantom island

phantom island

thumb|120px|1424 map of Zuane Pizzigano, the first depiction of the island of Satanazes as a large blue rectangular isle north of [[Antillia.]]

Rocabarra or Rocabarraigh is a phantom island or rock in Scottish Gaelic myth, which is supposed to appear three times, the last being at the end of the world.