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.
Which island? whirl islands? Cinnabar island? you catch lugia in whirl islands. you beat blaine in cinnabar island.
whirl islands is in jonto and you can get there by surfing south from olivine city. you can get a lugia in there if you have a silver wing. i hope you find your way through! -RR14 :)
all of the island
On whirl island
lugia is on the top right island
At the bottom of WHIRL ISLAND.
Johto.
that is the whirl island
u can get one in whirl island
Whirl islands
the top one on the right