The world's largest sand island is listed as a World-Heritage site because of its 'exceptional beauty', and it's right on mainland Australia's doorstep. Formerly known as Fraser Island, K'Gari's new official name - the traditional one chosen by the local Butchulla people, which means 'paradise' in English - is much more fitting. K'Gari is full of natural wonders - from its expansive glowing white beaches beside coloured sand cliffs to its majestic tall rainforests and more than 100 incredibly clear freshwater lakes and streams.

READ MORE: Getaway's Livinia Nixon on 'dream' visit to Portugal with Scenic Its famous Eli Creek, which pumps around four million litres of freshwater into the sea every hour, has been ranked as having the fourth most crystal clear water in Oceania. But the 'crown jewel' of the 122km-long island is Lake McKenzie, or Boorangoora, as the locals call it. It sits about 100m above sea level and is almost purely rainwater.

A swim at this lake is not only beautiful - but actually good for you. The water's minerals and high acidity make it beneficial for cleansing skin and hair and cleaning jewellery, while the oils from the tea tree foliage that falls into the lake help give it its blue colours and 'healing properties' known to help with aches and pains. READ MORE: The best cruise lines in the world for 2024, ranked The sand at Lake McKenzie is also 98 per cent silica, meaning it is exceptionally soft, silky and white and famous for its exfoliating q.