Green Island is one of 300 coral cays on the Great Barrier Reef; it is the only coral cay to have a dense, shady vine-thicket rainforest. Green Island is home to over 120 species of plants, over 55 species of birds and a unique mixture of coastal and rainforest plants all within its 1.6km circumference.

Marine Biologist Island Walk

Exclusive and complimentary for Great Adventures passengers, you can join the knowledgeable Reef Biosearch marine biologist and make the most of your Green Island experience. Allow approximately 30 minutes for this guided island walk during which the marine biologist will share fascinating insights about some of the flora and fauna of Green Island’s unique environment. An interesting Reef Talk is also available. Meet at the island Information Counter for times.

Self Guided Island Eco Walk

Download and view our Self-Guided Eco Island Walk guide to gain insights into some of the commonly seen flora and their Indigenous uses

The coastline of Green Island is lined with short, scrubby coastal vegetation that can survive the drier conditions along the beach. Coconut trees on the island are likely to have been introduced to the island in 1889 to provide food, drink and shelter for stranded sailors and fishermen.

Green Island Eco Walk

Marine Biologist Island Walk

Self Guided Island Eco Walk