I never thought about Atlantis being related to Eden and the destruction of the world by the global flood, but that would make sense.
there's a lot of threads all converging on that, that's why i like to talk about it... The Apocalypse of Yajnavalkya really got me started towards this, been reading more in The Book of Jubilees and Plato's Critias got more stuff to read yet, The Book of Jasher