What are some of the islands situated in Great Barrier Reef?

* Lady Elliot Island: One of the most popular islands in the Great Barrier Reef, Lady Elliot Island is located about 85 kilometres northeast of Bundaberg. It's known for its beautiful white-sand beaches, crystal-clear waters, and abundant marine life.

* Heron Island: Heron Island is located about 90 kilometres northeast of Gladstone. It's a popular destination for snorkelling, diving, and birdwatching. The island is home to a variety of wildlife, including sea turtles, dolphins, and over 120 species of birds.

* Wistari Reef: Wistari Reef is located about 40 kilometres northeast of Cairns. It's a popular spot for snorkelling and diving, and is home to a variety of marine life, including coral, fish, and turtles.

* Green Island: Green Island is located about 27 kilometres northeast of Cairns. It's a small island with a beautiful sandy beach, and is surrounded by coral reefs. The island is home to a variety of wildlife, including sea turtles, fish, and birds.

* Lizard Island: Lizard Island is located about 240 kilometres northeast of Cairns. It's a popular destination for snorkelling, diving, and fishing. The island is home to a variety of wildlife, including sea turtles, dolphins, and over 400 species of fish.