What is what episode is one piece timeskip?

The One Piece timeskip occurs during episode 517 of the One Piece anime, which is titled "Luffy's Training Begins - 2 Years From Now at the Promised Place." This episode marks the beginning of a two-year time skip in the story, during which the main characters undergo intense training and preparation for their next adventure. The timeskip allows the characters to grow stronger and develop new abilities, setting the stage for exciting new challenges and adventures in the later episodes of the series.