Queen's Gambit

The Queen's Gambit, also referred to as simply the Gambit, was a yacht owned by Robert Queen. It sunk during a heavy storm at sea in 2007. It was later secretly recovered by Moira Queen, who was, apparently, involved with its sinking via explosives. She hides it using money she takes from Queen Consolidated under the name, Tempest. Walter Steele later finds out where it was hidden and puts it in storage. Malcolm Merlyn orders for the remains to be destroyed in "Betrayal".

Trivia

 * In Arrow #5, it is shown that the Queen's Gambit's remains had previously been located under the sea, at 23°15.5'S 174°43.6'W, 15433 feet below the surface.