Blue Star 1 is a Greek ferry, which is owned by Blue Star Ferries and currently being chartered by Irish Ferries. She is a motor Ro-Ro/Passenger ferryboat, built in 2000 by Van der Giessen de Noord shipward in Krimpen aan den IJssel, Netherlands. She is a sistership to . She holds a total of 1600 passengers and 640 vehicles and has 430 beds in 161 cabins for passengers. She has four MAN B&W 8L58 / 64 diesel engines, with combined power of 44,480 kW and reaches speeds of up to 27 knots.