Experience the Great Barrier Reef onboard the newest, most spacious and luxurious reef vessel in Cairns. Our Cairns Great Barrier Reef Tour operates Tuesdays, Fridays, Sundays weekly and Saturdays during School Holidays (19 Sept, 26 Sept, 3 Oct, 10 Oct). We have introduced increased flexibility for cancellations and rebooking so you can be confident planning your reef trip.