Australia has a lot of islands and most are easy to reach from the mainland, here we list a few to try but there are many others.
Dunk Island
Great views from the top of Mount Koo-tal-oo and made famous due to the writings of Edmund Banfield the original 'Beachcomber'.
Green Island
A popular day trip from Cairns and named after Charles Green who was the astronomer on the Endeavour. There is a resort on the island and you can snorkel off the beach.

Kangaroo Island
A large island that we have lots more on so read on

Lady Elliot Island
Offshore from Bundaberg a small coral island that takes less than an hour to walk around and easy to visit for the day.
Lady Julia Percy Island
A volcanic outcrop 17 kilometres offshore from Port Fairy with very steep cliffs and home to mutton birds, blue penguins and other bird life.
Lord Howe Island
A long way off the coast and a small isolated community read more

Low Isles
A coral cay off Port Douglas with excellent snorkeling.
Montague Island
Montague Island, ten kilometres from Narooma in New South Wales is a good place to watch bay penguins, fur seals and whales. The whole island is a wildlife sanctuary.
North and South Stradbroke Islands
Two islands very close to Brisbane with plenty of beaches.
Sir Joseph Banks Islands
A conservation area off the coast from the Eyrie Peninsula where you should be able to see the albatross.