The Grimsby-registered floating London bar, the Tattershall Castle, is on its way to a dry dock in Hull for refurbishment.
The venue will be given a facelift over six weeks to be reopened for Easter.
It is en route to the Humber today.
TCG, the operator of the former ferry, will spend £1.5 million on the revamp.
It feature new bookable private booths in the main lounge and will host live stand up comedy.
A special VIP party to mark its return to the Embankment will celebrate every stage of its history.
