baby fat
you find it in the Pokemon mansion
You can find the key to unlock the door in Pokemon mansion
You have to go into Pokemon mansion. Find the key in the basement.
That is easy. You have to go to the Pokemon mansion and find the key to unlock the gym.
it is on the B1 floor, on the table.
You have to find the key to the Cinnabar Gym there.
Look for it.... Everyone else did
u can find it in Pokemon mansion.
You have to get the key in a mansion You have to get the key in a mansion
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
In the house you jerk!
The key is laying on a table in the deepest part of the Pokemon mansion. You can find it lying on the table and it's used for opening the gym.