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Guanahani was the name the natives gave to the island that Columbus called San Salvador when he first arrived at the Americas. Columbus reached the island on 12 October 1492, the first island he sighted and visited in the Americas. Guanahani is one of the islands of the Lucayan archipelago in the Bahamas, but the exact island is a matter of some debate. The problem may never be resolved, as Columbus's original log book has been lost for centuries, and the only evidence is in the edited abstract made by Bartolome de las Casas.

Contents 1 Candidates 1.1 Most likely candidates 1.2 Lesser Candidates 1.3 Unlikely Candidates 2 Clues 2.1 Trans-Atlantic track 2.2 The lights on the evening preceding the discovery 2.3 Description of Guanahani 2.4 Island or islands 3 References 4 External links

• Samana Cay. Samana Cay was first proposed in 1882 by Gustavus V. Fox, a US Navy captain. Fox's theory was little known until it appeared in the 1986 issue of the National Geographic Magazine. It is now considered to be the likeliest candidate by many scholars.
• Plana Cays. Plana Cays was first proposed by Ramon Juan Didiez Burgos in 1974 and revived by Keith A. Pickering in 1994.

• The island actually called San Salvador Island may not be the true Guanahani. The island was in fact known as Watling Island before 1925, and was renamed when some theorists argued that it was Guanahani. Notable defenders of the Watling Island theory include Samuel Eliot Morison and James Murdock.
• Mayaguana was proposed by Francisco Varnhagen in 1825.
• Grand Turk was proposed by Martín Fernandez de Navarrete in 1824 and Robert Power in 1983.

• Conception Island. First proposed by R.T. Gould in 1943.
• East Caicos Island. Proposed by Pieter Verhoog in 1947.
• Cat Island. Cat Island was widely believed to be Guanahani until Las Casas' abstract of Columbus' log was rediscovered in 1791 and published un 1875-1876, which argued strongly against the identification ^[1]. The Cat Island advocates based their claims on old maps. One of the defenders of Cat Island was the Canadian explorer Alexander Mackenzie.
• Egg Island. Proposed by Arne Molander in 1981
• Lignum Vitae Cay. Proposed by John Winslow in 1989.

The first way to locate Guanahani is to follow the distances and directions Columbus gave in his log. This track leads to a point five nautical miles south of Watling Island/San Salvador. However, if ocean currents and winds are taken into account (as was attempted by Luis Marden for the National Geographic in 1986), the track leads to a point just south east of Samana Cay. If compass deviation is also taken into account, the track leads to a point south of Plana Cays, and east of Acklins Island. If erratic steering and the fact that no one knows whether the compass card was fixed to the needle accurately is taken into account all attempts at reconstructing the track from the "Diario" turn out to be meaningless.

At 10 p.m. on October 11, Columbus noticed lights "like a little wax candle, rising and falling" at the horizon. He pointed them out to other people on board, some of whom were able to see the lights, while others didn't. The actual landfall was about 35 miles from the place Columbus saw the lights, so the lights could not have been from Guanahani, but must have been from another island. For the Plana Cays theory, this light would have been on Mayaguana. For Conception, it could have been on Cat Island, Watling/San Salvador or Rum Cay. For Caicos it could have been on Grand Turk. For Cat Island it could have been Watling/San Salvador and for Lignum Vitae Cay it could have been Eleuthera Island.

Columbus calls the island very flat with many trees. This is true for all of the proposed islands. His next statement is more problematic. He says Guanahani has "muchas aguas y una laguna en medio muy grande". The word laguna creates many problems. It is uncertain whether it means lagoon or pond. In any case, most of the proposed islands have either a lagoon or pond; only East Caicos lacks one.

On October 14, Columbus made a boat trip to the eastern part of the island. Therefore he went the length of the island in a North-North-East direction. This is only possible on Plana Cays, Conception and Egg, and to a certain extent on Samana Cay. Columbus noticed a reef that completely surrounded the island. All proposed islands, except Cat, have a reef, but the ones on Cat and Watling don't completely surround the island. Between the reef and the island was a harbor "large enough to store all ships of Christianity." Of course this is an exaggeration, but the harbor on Egg is definitely too small. Columbus went on land and saw "a piece of land, that looked like an island, but actually wasn't one." This is difficult to track, because it may have become a real island in the past 500 years.

Disputed about Guanahani is the question of whether Guanahani was one island or not. Evidence is said to be contradictory. Columbus never says Guanahani consisted of several islands, something which is surely worth noting. But on reproductions of the map of Juan de la Cosa, who was with Columbus, Guanahani looks for some researchers like a string of islands. The map itself - preserved in Madrid - and recent facsimiles show that to be a mistake of the reproductions, though.

1. ^ The original transcript is a holograph found in 1791 of 67 double-sided folios in the handwriting of Bartolome de Las Casas, who used it to prepare his "Historia de las Indias". Published in five volumes in 1875-76, it can be read in a one-volume English abridgment by A.M. Collard, "History of the Indies". "Christopher Columbus: A Bibliographic Voyage", by Jack Shreve in "Choice" (January 1991, Vol. 29, pp. 703-711)

• Site of Keith Pickering, advocate of Plana Cays
• Paleogeographic evaluation furthering the Samana Cay landfall theory
• Site of Arne Molander, advocate of Egg Island