In this spin-off to The Suite Life of Zack and Cody, twins Zack and Cody Martin (Dylan and Cole Sprouse) head to the high seas to study on the swanky cruise ship, the S.S. Tipton. They’re joined by their spoiled friend, London (Brenda Song), whose father owns the ship and it’s school, Seven Seas High. The Tipton Inn’s former hotel manager, Mr. Marion Moseby (Phill Lewis), has the task of looking after them as well as running the ship.