From Openwaterpedia
Zach Margolis course in red across the Catalina Channel from Santa Catalina Island to the Southern California mainland near the Terranea Resort

noun - The mainland is a name given to a large land mass in a region relative to a nearby island or islands or relative to the largest of a group of islands in an archipelago. Because of its larger area, a mainland almost always has a much larger population than its associated islands. In the channel swimming community, mainland is often used when swimming between an island and the larger nearby land mass.


He swam from Catalina Island to the California mainland.

Use of the Term

  • Mainland Argentina and the Falkland Islands and South Georgia and the South Sandwich Islands, and Tierra del Fuego
  • Mainland Australia and Tasmania
  • Mainland Britain (i.e., the island of Great Britain) and Northern Ireland, the Channel Islands or the Isle of Man
  • Mainland Canada and Prince Edward Island, Newfoundland, Cape Breton Island or Vancouver Island
  • Mainland China (including the island of Hainan) and Hong Kong and Macau of the People's Republic of China (PRC), and Taiwan
  • Mainland Chile and insular Chile (Easter Island, Sala y Gómez, Desventuradas Islands and Juan Fernández Islands)
  • Mainland Denmark and the Faroe Islands and Greenland
  • Mainland Ecuador and the Galapagos Islands
  • Mainland Finland and Åland Islands
  • Mainland France (Le Continent) and Corsica
  • Mainland Greece (including and the island of Euboia) and the Greek Islands
  • Mainland Ireland and its offshore islands
  • Mainland India and Andaman and Nicobar Islands and Lakshadweep.
  • Mainland Italy and Sardinia, Sicily, and other minor islands
  • Mainland Japan and Honshū and the rest of the Japanese islands
  • Mainland Korea and Jeju and Ulleung Islands
  • Mainland Malaysia and Sabah, Sarawak and its other smaller islands such as Penang and Langkawi
  • Mainland Portugal and Azores and Madeira Islands
  • Mainland Scotland and its many offshore islands including the Western Isles and Orkney or Shetland
  • Mainland Spain and the Balearic and Canary Islands
  • Mainland United States and the state of Hawaii

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