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"Isle of Mam" redirects here. It is not to be confused with Isle of Man.

Mayda (variously known as Maida, Mayd, Mayde, Brazir, Mam, Asmaida, Asmayda, Bentusle, Bolunda and Vlaanderen[1][2]) is a non-existent island in the North Atlantic that has been shown on several published maps at various points in history. It was most often represented as being crescent-shaped and its position has varied widely over time. Early maps drew the island west of Brittany and southwest of Ireland, but it later moved towards the Americas (Newfoundland, Bermuda, West Indies). It was shown on a Rand McNally relief map as late as 1906.


The island first appeared under the name of Brazir, on the Pizigani brothers' 1367 map. It was crescent shaped and sited southwest of the island of Brasil, on the same latitude of southern Brittany.[3]

It appeared as Asmaidas on a map of the New World accompanying Waldseemüller's 1513 edition of Ptolemy's Geography.[4]

Ortelius (in Theatrum Orbis Terrarum) placed a crescent-shaped island in the traditional location of Mayda with the name "Vlaenderen".[5]

Submerged land of the appropriate shape has been found in the area of early maps (46°23′N 37°20′W / 46.383°N 37.333°W / 46.383; -37.333) at a depth of 20 fathoms (120 ft; 36.5 m) which suggests that Mayda may have existed.[6]

Appearances on maps[edit]

In popular culture[edit]


  1. ^ Babcock, William H. (1915). "The so-called mythical islands of the Atlantic in Mediæval maps". Scottish Geographical Magazine. 31 (10): 531–541. doi:10.1080/00369221508734208. 
  2. ^ Babcock, p.81
  3. ^ a b Babcock, p. 83
  4. ^ Babcock, p. 82
  5. ^ a b Raymond, p. 219
  6. ^ Raymond, p.220
  7. ^ Raymond, p. 216
  8. ^ a b c Raymond, p. 217
  9. ^ Raymond, p. 217-8
  10. ^ Raymond, p. 218


  • Hamilton-Paterson, James (1992). The Great Deep. The Sea and its Thresholds. New York: Random House. ISBN 978-0-679-40596-2. 
  • Babcock, William Henry (1922). Legendary Islands of the Atlantic: A Study in Medieval Geography. Research Series. Issue 8. American Geographical Society of New York. 
  • Ramsay, Raymond (1972). "The Maybe of Mayda". No Longer on the Map. New York: Viking Press. ISBN 0-670-51433-0.