Hoenn is, to this day, one of the most creative and interesting regions in terms of design, Pokémon and story. And Pokémon Emerald is one of the best Pokémon games ever made.
Its location is marked on the Old Sea Map and Mr. Briney returns a favor to the player by helping him or her sail to this island on the ship moored in Lilycove City. It is where the mythical Pokemon Mew is found.
PiraticOctopus 