beet the elite 4 talk to celio and then you can go to all the islands
Outcast island is in the northern part of six island.
First go to six island
go to six island and search in the grass. they are common
Beat elite 4 and take the boat from vermilion city to six island
you get it in the pattern bush, and that's in six island
Rock tunnel, Six island.
Six island its a cave in the southern portion of the island.
The sapphire is on Six Island. You need a Pokemon to use cut on the dotted door of the cave.
In dotted hole on six island.
Wobuffet can be found on six island in ruin valley.
It's on Six Island in that cave with the Braille.
to get to ruin valley on Pokemon leafgreen you have to get the ruby in mt. Ember and bring it back to celio then go to six island