Cubones can be caught on Seven Island.
Onix can be found on seven island, six island and rock tunnel.
go to the eighth floor and beet the trainer
you can find a kings rock on seven island in sevault canyon.
Yes on the route below cerulean city, also on seven island.
Island Seven. In the ruins.
Seven Island
Larvitar is in Seavault Canyon, which is on Seven Island. (Need rainbow pass to get to Seven Island).
It is on Seven Island, to the north.
northern seven island
On Seven Island in Sevault Canyon.
use the mystery gift.
Cinnibar island if your going in order.
Cubones can be caught on Seven Island.
Larvitar can be found in the grass in Sevault Canyon on Seven Island.
Onix can be found on seven island, six island and rock tunnel.
8 Island does not exist. Only the sevii islands. There are seven islands in leafgreen and firered. Four of them can only be visited after finishing the game.