Cairns Reef Tours are one of the most popular activities when visiting Far North Queensland, our two full day tours allow flexibility so you can enjoy the beauty of Green Island, part of the Great Barrier Reef whilst maximizing your time on this fabulous tropical island. Choose to snorkel, dive, stay dry or view the spectacular underwater reefs in our semi submarine or glass bottom boat, or simply laze on the white sandy beach. These are only a few of the many reef and island activities available at Green Island. Our friendly crew will help you to organise your activities to make the most of your time on Green Island. Green Island, a Marine National Park is a beautiful coral cay on Australia’s Great Barrier Reef. Green Island boasts unique rainforests, surrounded by white sandy beaches and magnificent coral reefs and abundant marine life.