I'm not so sure there are such thing of 9 or 8 island but to get to islands 4,5,6,and7 you have to: Beat the Elite 4 then fly to Vermilion city ride the boat to 1 island talk to Bill's friend (Celio) he ask's you to find a ruby were the 2 rockets are at Moltres's hide out give it to Celio and... POOF!!!!!! your able to travel to 4,5,6,and7 island!!!!!!!!!!!!!!!!!!! I hope this helps
Whirl islands are in the johto region which is not in firered.
Explore, catch pokemon, train your pokemon.
in 4-7 islands
seafoam islands
you cant
The Sevii Islands(islands 4,5,6,7)
There is no island 9 in either Pokemon FireRed or LeafGreen. Whoever told you this is very off. There are Seven Islands (Sevii Islands)
Inside Seafoam Islands.
Seafoam islands.
They don't exist.
no
you get articuno in seafoam islands