Experience the great barrier reef for two days and one night by day enjoy all the activities on offer at reefworld a pontoon moored on one of the most spectacular areas of the great barrier reef including snorkeling semi sub rides and viewing parts of the worlds largest coral reef system in an underwater chamber later spend the night at reefsleepon the upper deck of the pontoonto sleep under the stars 40 nautical miles 74 km from shore fall asleep under twinkling stars in a swag t