Eddo's Garage

From Zelda Wiki.org

In Phantom Hourglass, Eddo's Garage is a ship garage located on Cannon Island. It is owned and operated by Eddo and his apprentice, Fuzo. You must go to Eddo's Garage in order to obtain a cannon; Eddo sells you Eddo's Cannon for 50 Rupees. Later on in the game, you return to Eddo's Garage to purchase the Salvage Arm.

Visit Fuzo here after earning 4, 8, 12, & 16 Big Plays from Battle Mode. Fuzo will reward Link with chests containing Golden Ship Parts at these milestones.