you surf to them
vertanturf and slateport
After you awaken Groudon
there is no iron island in ruby
Mirage island
wynaut
Just search warp for pokemon ruby on google
It is on dewford island.
This island is only available if you have an eon ticket.
the island cave is on route 105.
in southern island there was latias and latios you will meet latias in Pokemon sapphire and latios in Pokemon ruby
Give it to Celio on one island.
code for faraway island