Was on Royal Caribbean to Bahamas. We put three 500-750 ml plastic and glass bottles of liquor in four pieces of luggage, tucked into shoes, inside bags of clothing, etc., and hand-carried two 500 ml plastic bottles of liquor in purse and pocket. The bottles were not discovered.
Later on, we purchased two 750 ml of liquor in glass bottles offshore, and took those onto the ship in a purse. Also were not discovered.