It is in Dragon Roost Island after you need to help Valoo
You mean Valoo? He's at the top of the mountain.
Dragon Roost Island
There are two obvious volcanoes. The first one is on Dragon Roost Island and the other one is Fire Mountain which is right below Dragon Roost.
Volcano Island, also known as Dragon Roost Island, is located in the southwestern quadrant of the Great Sea in The Legend of Zelda: The Wind Waker. It is home to the Rito tribe and the towering Dragon Roost Mountain, which houses the dragon Valoo.
One square directly below Dragon Roost Island
You get it from the girl with the wings, Medli (?), at the second dungeon. The second dungeon is on Dragon Roost Mt.
When you enter the room try to grapple hook to the dragon's tail you can hook on to go and he will fall on the boss.Do this three times to break the bosses armoring L-Target the bosses eye and hit it with the grappleing hook. this will bring him close enough so you can hit him with your sword. Then slash away until he's dead
The Forest Haven (Where you can fin the Great Deku Tree and Makar) Is 3 Sea Chart blocks South of Dragon Roost Island (Where you can find Medli.)
you have to find seeds of fire
First, your sail, then after dragon roost island you make a merchant's promise and after finding and trading with all the merchants he gives you a Heart piece. your cheater, Shadow (the Hedgehog)
7 if you count phantom ganon and rescuing Medli at dragon roost
you dont have to get him down once you go to the post office and get more than 25 letters on the minigame walk outside and go back in and he will be sorting letters