you can use the statues through out the building to open stuff and there will be a place where it is all black you go walk into that then find your way through to the key
Top right of cinnabar island.
With the secret key which is found in the Pokemon mansion.
On cinnabar island. You can get to Cinnabar by using surf from Pallet Town. To use surf, you need to get Fuschias gym badge.
If you mean Pokemon FireRed/LeafGreen on the GBA, the mansion is in the top left corner of Cinnabar Island. (home of the seventh gym)
You will need to work your way to the basement in the Pokemon Mansion, you will then find the Key.
on cinnabar island
You will find it in the Pokemon mansion on cinnabar island.
Cinnabar island.
The secret key is in the Pokemon mansion (Cinnabar Island) in the basement.
Top right of cinnabar island.
go in the cinnabar mansion. lolderp
on Cinnabar Island.Pokemon mansion is on cinnabar island if you don't know how to get there go to pallet town then go south surfing on one of your Pokemon and there your at cinnabar island.
On Cinnabar Island
you have to find it inside the Pokemon mansion located on cinnabar island
The Pokemon Mansion is on Cinnabar Island, west (left) of the Pokemon Gym.
Pokemon Mansion on cinnabar island
in the Pokemon mansion that is where than is on cinnabar island