Ocean Spirit Cruises conducts a range of day sailing experiences from the port of Cairns, Far North Queensland, Australia, to the Great Barrier Reef. Ocean Spirit I is a 32.0 meter twin masted sailing catamaran with a capacity of 150 passengers. Ocean Spirit II is a 24.9 metre single masted sailing catamaran with a capacity of 100 passengers. Michaelmas Cay – A low lying vegetated Sand Cay encircled by a superb fringing reef, the Cay is a National Park and a protected sanctuary for migratory seabirds. The cruise offers a wide range of activities including snorkelling, scuba diving (both certified and first time beginner), semi-submersible coral viewing, nature walks viewing a bird sanctuary, live musical entertainment and a glass of champagne on the homeward sail. One to ten crew to passenger ratio ensures a five star service is delivered to all guests