Little Barrier is a steeply sloping island, rising to 720 metres. Roughly circular in shape, it covers 28 km2. It is uninhabited, and is used as a nature sanctuary. The island and its larger neighbour were named by Captain James Cook on November 23, 1769.
Barrierislands are long, narrow, offshore deposits of sand or sediments that parallel the coast line.
Barrierislands are often found in chains along the coast line and are separated from each other by narrow tidal inlets, such as the Outer Banks of NC.
Like the barrier flats, salt marshes are regularly flooded with seawater during high tide and the animals and plants that you find are similar to those in the barrier flats.
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