The Argo is a mega-yacht seen in the episode, Skorpio. The arms dealer Spirodon Skorpio, ran his operation to sell weapons of mass destruction out of The Argo.
Among other luxuries the yacht featured great champagne, gourmet food, Filipino masseurs, and a chocolate fountain. The yacht was destroyed in an explosion during a successful escape attempt by Sterling Archer and Lana Kane.
Skorpio states the name of the mega-yacht is the Argo, in Greek mythology, the Argo was the ship on which Jason and the Argonauts sailed from Iolcos to retrieve the Golden Fleece.
The yacht may be based on the Serene[1], the 11th largest yacht in the world.