There no Mew in firered.
Because the key to open the door is hidden in the Pokemon Mansion.
get the key in the od mansion on cinabargo to cinnibar island, then go in that place next to the gym and look for secret key. then get out and then you can go in the gym in cinabar island
On Cinnabar Island
You can Capture a Ditto in Pokemon Mansion ( Situated in Cinabar Island )Hope i Helped , If i did , Recommend me Please .
Growlithe is found in the Pokemon Mansion on Cinnabar Island in Pokemon Firered.
its to the left of the pokemon gym on cinnibar island
in platinum/diamond/pearl, oreburgh city,the museum. in leafgreen/firered, the lab on cinabar island.
After you beat Baline in cinabar island, he gives you TM fire blast
go in the cinnabar mansion. lolderp
in Pokemon blue you can get the Pokemon vulpix to the left of lavender town. or later on in the game in cinabar island you can go to the abandoned mansion and get a few fire types there.
u can find growlithe inside Pokemon mansion, which is on cinnebar island.
The Pokemon Mansion is located on Cinnabar Island in the Kanto region. The mansion is burnt down and abdomen but got its name for the Pokemon researched that used to live there.