As in other regions, the Hoenn region holds a number of Gyms located throughout the area. In all of the games and their remakes there are a total of eight Gyms. In the Pokémon Anime, the main character Ash Ketchum, battled at eight Gyms as well. However, as seen with several characters' Badges, there were other unidentified Gyms that were not shown.
Rustboro City Gym
- Main article: Rustboro City Gym
Dewford Town Gym
- Main article: Dewford Town Gym
Mauville City Gym
- Main article: Mauville City Gym
Lavaridge Town Gym
- Main article: Lavaridge Town Gym
The Lavaridge Town Gym has two levels: the ground floor and the b1 floor. Each floor has a series of holes that you can fall in or shoot up from depending which floor you're on. With proper backtracking you can get to the gym leader, Flannery.
Petalburg City Gym
- Main article: Petalburg City Gym
This gym is consistent of nine rooms: The entrance room, the Gym Leader room and seven other rooms. Each room has a trainer who uses a different battle item depending on which room you choose.
Fortree City Gym
- Main article: Fortree City Gym
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Mossdeep City Gym
- Main article: Mossdeep City Gym
In Pokémon Emerald, it consists of warp panels, mutiple rooms,and cololred tiles that rotates a group of four directional tiles with the same color arrow as the tile that you stepped on. Most of the time, the colored tile when stepped on rotates multiple groups of directional tiles. All of the groups of directional tiles have at least one trainer or statue on it. In this version of the gym, all the trainers challenge you to double battles, including the Gym Leaders Tate and Liza.
This is the only Gym in the Hoenn reigon that had its format changed when the third game in that reigon came out.
Sootopolis City Gym
- Main article: Sootopolis City Gym
Sootopolis City Gym has two floors. The trainers are on the floor below and they are all female. In Ruby and Sapphire, Wallace is the Gym Leader, but in Emerald, Juan is the Gym Leader. The Gym's main floor is an ice puzzle where you have to step on each ice panel one. Stepping on a cracked ice panel again would result in falling to the trainers floor.