"Island of the Gods" is a science fiction short story by Harry Turtledove, set in "Isaac's Universe." It was first published in The Diplomacy Guild, edited by Martin H. Greenberg, Avon 1990. It has not been reprinted.
Explorer Terry Fischer searches for a mysterious Hidden Folk artifact on a "floating island", accompanied by an assortment of diverse aliens who seem pathologically unable to overcome their xenophobia for each other.
