Aeaea was later identified by classical Roman writers with Mount Circeo on Cape Circeo (Cape Circaeum) on the western coast of Italy—about 100 kilometers south of Rome—which may have looked like an island due to the marshes and sea surrounding its base but which is a small peninsula. It was already a peninsula according to Dionysius of Halicarnassus. However, it may have been still an island in the days of Homer, with a long lido or sandy peninsula that gradually became attached to the mainland, in a common geological process. Archeologists have identified one cave or grotto on the cape as Grotta della Maga Circe, the cave of Circe. A second was found on the nearby Island of Ponza. It is believed that Circe had her summer home on Mount Circe and her winter home on Ponza, which may possibly be the island of Aeaea.