Jaw-dropping 480ft superyacht that can be submerged in water sets sail – can you guess its worth?

A JAW-DROPPING 480ft superyacht that can be submerged in water and boasts an open-air tennis court has set sail after a three-year conversion. The unique vessel, named OK, began its life as a yacht transportation ship in Japan in 1982 before work began to transform it into a semi-submersive yacht at the Karmarine Shipyard in Turkey. SWNSA 480ft superyacht that can be submerged in water and boasts an open-air tennis court has set sail after a three-year conversion[/caption] SWNSThe vessel – described as an undiscovered island – has room to carry a 46m sailing yacht and a sea plane and is estimated to be worth £30million[/caption] Exterior designer Timur Bozca, who won the Young Designer of the Year award in 2015, said OK has the ability to submerge almost 70 per cent of itself. The vessel – described as an undiscovered island – has room to carry a 46m sailing yacht and a sea plane and is estimated to be worth £30million.   It also features a tennis court, outdoor cinema and room for 20 guests.  It was originally built in 1982 as a semi-submersible yacht transportation ship – but has been transformed into an expedition vessel.  It is currently based at  Karmarine Shipyard in Turkey.  The vessel’s submerging capacity enables it to sink the middle platform of the boat in order to allow cargo to be carried just above water. Most read in News WELL TRAGEDY Boy, 5, dies after being pulled from 100ft well where he was stuck for 100hrs HOUSE BLAZE Four kids taken to hospital after ‘arson attack’ on home leaves six injured MAKING IT COUNT Teacher training as an ACCOUNTANT while in jail for having sex with teen ON THE STREETS We’re going to be kicked out of house because we can't afford our rent 'NEW LOW' PM's foes aim to bring him down with 'deeply unpleasant' attacks on wife Carrie JEREMY CLARKSON Our MPs are worse than the Italians - it's so bad I want John Major back The feature also means that once the deck is cleared guests can use the open-air tennis court on the water. Designed with enhanced internal strength, the vessel, which has enough room to carry a 150ft sailing yacht and a sea plane, can handle both stern and side loading. SWNSExterior designer Timur Bozca, who won the Young Designer of the Year award in 2015, said OK has the ability to submerge almost 70 per cent of itself[/caption]