After defeating Team Aqua in the cave, go out of it and go to the Devon Corpaoration building. Mr. Stone is waiting for you. He will have task for you and in return, he will give you Pokénav. Go down from Rustboro and through the Petalburg woods. After you go outside go left then down. Near the beach there would be a hut. Inside it is Mr. Briney with his Peeko playing around.
After you defeat the Pokemon League, you find him on the new boat that goes between lillipool and slateport. Its been a while since i played it but i think thats right
Mr briney is in a house near petalburg woods.
Go to cave near rustboro and find mr briney who will sail you to dewford where you deliver the letter
why would anything happen to him? i think he/she means mr briney.
you sail with mr briney, to dewford, deliver the letter and beet the gym, then sail to slateport.
Out side of petalburg woods
You get the wailer pail in the flower shop in front of the forest that is near mr briney's house.
Mr briney can be found near petalburg woods he takes you dewford town.
Captain Stern is first located at Slateport City. After saving Mr Briney's Peeko on the tunnel, go to Briney's hut and talk to him. After delivering the goods at Steven and finishing the gym at the Dewford town, talk to Mr. Briney and go to Slateport City. Go up and enter the museum. On the second floor, captain stern was standing next to the scale model of SS Anne.
He lives somewhere in Pokemon emerald=== but i don't know where! please if you know where he lives, e-mail me at jamesbungay@hotmail.co.uk! thank you! (i will put the answer on wiki answers)
mr briney is at slateport helping the people make the ship
Use the boat with mr. briney to the left of petalburg to get to dewford. Then, after you deliver the package for the devon people in the cave, you can boat again to slateport.
that cozy little cottage you pass before entering petlaburg woods. Mr. Briney lives there with peeko