A Port Arthur cruise lets you experience one of the most historic places in Australia. Cruises to Port Arthur mean being surrounded by a rich history, with the world-heritage-listed site steeped in stories that have made it Tasmania’s number one tourist destination. A Port Arthur cruise also lets you take in some of the most amazing coastline in the world, showing off the best southern Tasmania has to offer. Spend a day exploring from a Port Arthur cruise. Taking in the scenery and the ever-changing historic site itself. Enjoy a lot of fun and adventure getting there on the Carnival Splendor, with more than 45 activities onboard.