Aqua Island is an island in Golden Sun: The Lost Age. Located in the archipelago of the Apojii Islands, Aqua Island's only claim to fame is that it holds the elemental rock of water, Aqua Rock. Image:AquaRockO.png The men of the Apojii swim here when they come of age as a rite of passage. This is only one of the two islands that are accessible among the Apojii Islands.