At the beginning of the game, before rock smash is obtained, you must go south to Mr. Briney's cottage and sail with him to Dewford, then sail on to Slateport. You can then go north to Mauville. If you have rock smash, however, you can go through the tunnel that directly links the two cities.
Chat with our AI personalities
The timer ball in Pokémon Sapphire is located in Rustboro City. You must go to Mauville and talk to a guy located in front of the tunnel, he will tell you this.
In mauville city!!!
to get to mauville you have to have rock smash to get rock smash you have to get to mauville
The Flower Shop is south of Rustboro city
From Mauville City, go south, you'll meet the Fisherman. Surf and keep to east. Then, you reach the New Mauville.