Phantom islands are islands that are believed to exist and appear on maps for a period of time (sometimes centuries), and they are removed after they are proven not to exist (or the general population stops believing that they exist).

  • Brazil (mythical island) also known as High Brasil, Hy-Brazil and Huy Brasil
  • St. Brendan's Island
  • Mayda
  • Antillia (The Island of the Seven Cities)
  • Buss Island
  • Estotiland
  • Frisland
  • Bra
  • Isle of Demons
  • Cockaigne
  • Īle Philippaux
  • Morrell Island and Byers Island, west of Hawaii

Related subject: Islands that some think or thought used to exist. See also Lost cities, Mythical place, Cryptozoology