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MORETON Island is a large sand island containing the world's highest sand hills. The northern coast is particularly pretty. There are five sand hills that overlook an estuary sheltered by Heath Island.
A couple of these hills have striking sand blows- steep faces of loose sand that hasn't been vegetated yet. Beneath these hills the tide floods in and out covering the sand flats with turquoise water when the tide is high, and leaving them flat and barren when the tide is low.
When the tide does go out large sections of the sand flats appear to move when you walk across them. This is due to the huge populations of small crabs foraging its dry surface.
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