The Green Island ferry half day tours allow you to enjoy the beauty of Green Island when short on time or simply want to get to the reef for a couple of hours. 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. 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.