There are 9 island in totally ( Island 8 - 9 you are able to 'ctach ' Ho Ho and lugia) ,
Although i don't thing there is away to get onto them island without GameShark of cheats , this is because you needed a special event that Nintendo did a while ago to unlock the island - although i doubt they still have the special events for the U.K or for fire red and leaf Green
you go to an island and it is there. i think it is the 8th island.
You cannot get to Fire Island on Pokemon LeafGreen. Fire Island is a setting exclusive to the second Pokemon movie, Pokemon the Movie 2000.
Four Island is a location in Pokemon LeafGreen. To start the journey there, you need to have at least 60 different Pokemon.
govinia
on cinnabar island
on cinnabarb island
4 island.
Cinnabar Island
viridian city
No, but you can breed them on island 4.
The Pokemon day care for Pokemon Leafgreen/Firered is on island 4. You have to beat the elite 4 and get the machine on island 1 working to go there.
island 3