There's no definitive answer as to whether the Atlantis real story is fact or fiction. On one hand, Plato's detailed account makes it seem like it could be based on a real place. There are similarities between the supposed Atlantis and some known ancient civilizations. On the other hand, the lack of archaeological evidence and the fantastical elements in the story, like its super - advanced technology, suggest that it could be a work of fiction. It's possible that over time, stories about a real, but not so extraordinary, place got embellished and turned into the Atlantis we know from Plato's writings.
The Atlantis real story is likely a blend of fact and fiction. Plato was a philosopher, and he might have used the idea of Atlantis to convey certain philosophical or moral ideas. However, the descriptions he gave of its advanced technology and grandeur could potentially be based on some real, but now lost, ancient civilization. There have been many attempts to find Atlantis, but without success so far, which makes it difficult to determine whether it was real or just a fictional creation.