Frankland Islands National Park covers five islands, all popular for their relatively untouched rainforest, mangroves and surrounding reefs. A colony of spectacled flying-foxes roosts on Russell Island, while manta rays and sea turtles have been spotted in nearby waters. Go out with a tour operator and enjoy a guided nature trail on Normanby Island. Comb the shores at low tide to see intriguing ocean treasures washed up by the sea. Snorkel or dive and enjoy the underwater wonders of the Great Barrier Reef.