The key to unlocking the truth that the “island” of greater Atlantis was the Iberian peninsula (and more) is that in Plato’s Critias, the Atlantean plain, 200 miles by 300 miles, was said to have been at the center of the whole island, which is the valley of the Guadalquivir river, not actually at the center of the Iberian peninsula yet obviously different from the island city surrounded by the concentric ship canals built by Posidon and later given to his son Atlas. The brother of Atlas named Gades controlled from where today is Cadiz to the Pillars of Hercules (Gibraltar), and adjacent but now submerged territory owned by Atlas, submerged when the Ice Age ended circa 1500 b. c.
