The royal cruise ship 'Bay One' is sailing through Chattogram-Saint Martin's to see the blue waters of the sea and the harmony of the sky, twilight, sunrise and sunset in a luxurious cruise ship. The ship leaves Patenga in Chittagong every Thursday at 11 pm and arrives at Saint Martin at 8 am the next day. Then, the ship stays in Saint Martin on Friday and leaves for Patenga at 11 am on Saturday and arrives at 7.30 pm.