People can explore them from the water, but landing is prohibited. The NPWS personnel are permitted to undertake invasive weed control, and survey work on nesting sea birds.
Due to their shape, the central plateau is surrounded by rock platforms. Many of these islands are termed “old hat” islands.
These coastal islands are of high ecological significance to burrowing and nesting sea birds such as the Little Penguin. These sea birds use very few places on the mainland, because of the existence of predators such as foxes, cats and dogs.