Episode 230

"The Adventure in the City of Water! Aim for the Giant Shipyard" is the 230th episode of One Piece.

Summary
Luffy, Nami, and Usopp get strange greetings from the residents, and they get to experience the roller coaster-like channels of Water 7. They find out that some pirates had been beaten at the hands of some powerful craftsmen: the Galley La Company. Chopper loses Robin, and some strange new people threaten Zoro back on the ship.