In Homer's own words, "the splendor of the palace was like that of the sun and the moon". Homer also affirms that the Phaeacians "are a sea-faring nation, and sail all seas by the grace of Poseidon, in ships fleet like thought or as a bird in the air"…."full of a multitude of merchants" who traded in all sorts of goods such as metals, gemstones, precious stuff and spices in their "ships of Tarshish".
According to Plato.. located beyond "Hercules columns." Those are often referred to as being the hills on both sides of the Strait of Gibraltar.