Travel by scenic helicopter to green island on the great barrier reef as you fly from cairns take in the views of the rainforest and the magnificent colors of the great barrier reef below you have the option to spend four or six hours on green island where you can enjoy swimming snorkeling walking through the rainforest or exploring the reef by glass bottom boat you also have the choice to return to cairns by high speed catamaran or scenic helicopter whichever option you choose youre i