It's in Cinnabar island. It's where you get the key to open the Gym #7
Gary is not in the Pokemon mansion.
The key to the gym
there is a key in the Pokemon mansion... you need it to get into the gym... search the Pokemon mansion thoroughly
i think that it is in the Pokemon mansion
The Pokemon Mansion is in the top right corner of Cinnabar.
in the Pokemon mansion that is where than is on cinnabar island
No you can only get it once in Pokemon mansion.
the key is in the basement
i think it's at the basement floor on a table.
Your have to hit the Pokemon statue switches
in the Pokemon mansion, beside silence bridge and in cerulean cave
in a pokeball on the top floor of celadon mansion.