the mansion you have 2 make it downstairs in the manshion nd down there therell be a pokeball with a key in it nd then you can open the gym but to get downstairs you need 2 use the statues with the eyes that are glowing nd click those to switch the locks on the doors
With the secret key which is found in the Pokemon mansion.
The gym is locked to make the game a little more challenging the key is in the Pokemon mansion which is near the gym.
Cinnabar island in pokemon hg and ss had a eruption and it wiped out most off the island except the pokemon center (thank god) and the gym is now relocated at seafoam island.
Before reaching Cinnabar Island in Pokémon Red, you must first travel through the Pokémon Mansion on Route 21. You'll need to navigate through the mansion to find the key that unlocks the Cinnabar Gym. Additionally, you can access Cinnabar Island by surfing across the water from Route 19 or Route 20.
the seventh gym in pokemon sapphire is in mossdeep city.
On Cinnabar Island.
Cinnabar Island
Find the secret key in the Pokemon Mansion,( Next to the gym)
its in seafoam island not cinnabar
You will find it in the Pokemon mansion on cinnabar island.
He is in the Cinnabar Gym on Cinnabar Island.
In Cinnabar Island, south of Pallet Town.
you have to find it inside the Pokemon mansion located on cinnabar island
Blaine, the gym leader of cinnabar island, gives it to you after whooping his butt.
the 7th gym leader in on cinnabar island. if you look at you town map it is the island right below pallet town
After defeating Blaine of the Cinnabar Island Gym Leader, fly back to Cinnabar Island and Blue should be there. He will explain to you about his Champion life and Red, and he will say that he will meet you at the Viridean City Gym. Fly to Viridean Gym and battle him.
You have to find the key to the Cinnabar Gym there.