north east of lilycove
it is at mt chimney
You don't get it in Sapphire, only Ruby and Emerald
The final hideout is between Sootopoolis and Mossdeep. Use dive when you see the sub.
after getting into team magmas hideout
i think you can get one in team magmas hideout in lilycove city but im not sure. good luck;)
There is a master ball in the Team Magma's hideout in Pokémon Ruby Sapphire, and Emerald. Look in the Hoenn region for the Team Magma's base of operations.
you have to catch groundon
go to splatsport city then a guy will be being intervuid follow him and then go back to lilycove CITY
a master ball
You go to mt chimny and then a rock will shak and resemble a hole and that's team magmas hideout . But I think you need a mechamp to get in.
On the southwest of Charpos Island
In Pokémon Omega Ruby, you can find a Master Ball in Team Magma's Hideout located in the Fiery Path area. To obtain it, navigate through the hideout until you reach the room with the large, red orb. The Master Ball is located on the ground in a corner of that room. Make sure to explore thoroughly to find it!