You will be given no refund by doing this. It can be activated by left-clicking the pickaxe button in the menu in the lower right corner. You can use the demolish mode that you normally use to demolish buildings to sink ships. The Venetians, in the thirteenth and fourteenth centuries, never put to sea a fleet as large as the great Genoese fleet of 1295 with its 165 galleys and some 35,000 men, but still fleets of forty to fifty galleys were common and, allowing a conservative estimate of 200 men on each galley, that would give 8,000 to … How do I delete ships in Anno 1404?