um...I don't think they are any giant island in Pokemon platinum.But if you mean new moon island then you need a members card which you can get a long time ago.Although you can also get it by ar.
Wiki User
∙ 12y agoi have beaten the game, and there is no birth island.
there is no fire island on platinum there is full moon island and crsent moon island (were you catch cresilia and darkria) and iron island that is it
in the basement of the giant mart in veilstone city
in iron island
Iron Island.
on iron island in platinum
Iron Island
you can get it on iron island
at iron island
mew island doesnt exist
i have beaten the game, and there is no birth island.
there is no fire island on platinum there is full moon island and crsent moon island (were you catch cresilia and darkria) and iron island that is it
You can get one in iron island
yes mew is in Pokemon platinum at mew island hope i helped
in the basement of the giant mart in veilstone city
On New Moon Island.
Get one at Iron island.