You can buy Harbor mail at Slateport City
In Mauville Mart.
in the city after you get of the boat the second time
Slateport city Mart
Go to the house next to the casino. When the lady says," I wish i had harbor mail" , go to the slateport Pokemart, buy harbor mail, go back and talk to her, and yes when she wants to trade you a harbor mail for a coin case.
You can buy Harbor mail at Slateport City
In Mauville Mart.
Slateport city Mart
in the city after you get of the boat the second time
The mail doing nothing, you write a letter you get nothing back.
Go to the house next to the casino. When the lady says," I wish i had harbor mail" , go to the slateport Pokemart, buy harbor mail, go back and talk to her, and yes when she wants to trade you a harbor mail for a coin case.
So you can get the coin case from the lady in Mauville City.
just keep walking and u will find it. :p
First, you get a Harbor Mail. Anywhere. Then go to Mauville. Go to the house east/right to the game corner. Talk to the lady, trade the Harbor Mail and she'll give the coin case
okay if you want to get the coincase you need to first get harbor mail {found in lily cove mall} and take it to mauville city then you go down to a house with just a girl in it talk to her {she will say iwish i had a bike because i would go shoping and get harbor mail} if you have the harbor mail she will ask if you want to trade it for the coincase.
To get the harbor mail you need to go to slateport city
First you go to the house next to the game center. then you talk to to lady and she should say that she wish she had a bike to go to slateport city to get harbor mail. you go to slateport city and get one harbor mail. then talk to the lady again and she should want to trade the coin case for the mail.