At the bottom of WHIRL ISLAND.
the fourth one to the bottom right
in the bottom left whirl island
the kimono girls? go to the whirl islands and go in the first island you see that is protected by a whirl pool then talk to the monk and go to the bottom
Which island? whirl islands? Cinnabar island? you catch lugia in whirl islands. you beat blaine in cinnabar island.
all of the island
On whirl island
lugia is on the top right island
Johto.
that is the whirl island
you have to have beaten chuck the gym leader and get whirl pool then cross the whirls then you can google how to get through whirl islands hope that helped.
at the bottom of the whirl islands