First you go to the team rocket base in the game corner (behind the poster) and you go down 2 flights of stairs. find your way through the trick panels on the ground to the bottom right corner. i don't know how to get the key, but that's how you get there.
On the 1st floor, 2nd floor and 4th floor.
in the game corner at celadon city
He Whent to The Rocket Hideout on Five Island.
you only get one as a gift for silph co. for defeating team rocket
To get the card key in Pokémon Fire Red you need to go the 5th floor in the Silph Company. You will find the card key after defeating the Team Rocket members.
fight, or catch the red gyarados. talk to lance. clear out the rocket-hideout. and you can enter the ice gym
two floors down in the team rocket hideout under the game room in celderon town
you get in the team rocket hideout on one of the islands
you use cut but it wont tell you you need to do it yourself
sapphire
look around in the puzzes. it has to be there.
The Ruby Is In Mt.Ember And The Sapphire Is In The Team Rocket Secret HideOut (Dotted Hole)
Did you mean: Where is the casino in Fire Red for the Rocket Hideout or the Pokemon Mansion for the Tea?Well the Pokemon Mansion is next to the Pokemon Center in Celadon and the Casino is in the south of the Pokemon Mansion.
He Whent to The Rocket Hideout on Five Island.
you only get one as a gift for silph co. for defeating team rocket
you go into the silph company but you have to beat lavender city, get the poke flute, and beat giovoni in the team rocket's hideout
Mt. Moon(I think)/Team Rocket hideout/Pokemon tower/Saffron city/two island/Victory road.
Get the Silph Scope from the Celadon Rocket Hideout, then ascend to the top of the Pokemon Tower. Then, you'll be able to identify Marowak and defeat it to lay it to rest.
there is no hideout in kanto because in pokemon red you beat team rocket and in this generation team rocket left kanto and went to johto you run into a team rocket member that stole the machine part from the power plant that doesn't mean that team rocket returned to kanto