Waterhouse Island

Waterhouse Island Nature Reserve is the largest island in the Waterhouse Group in eastern Bass Strait, serving as a breeding site for little penguins and short-tailed shearwaters. The island is located in the maritime zone between northeastern Tasmania and Flinders Island and forms part of the network of Bass Strait island nature reserves protecting seabird habitat.

Waterhouse Island supports little penguin colonies in burrow nesting sites and short-tailed shearwater (mutton bird) rookeries across the island's vegetated areas. These two seabird species are the island's primary wildlife values. Australian fur seals may use the rocky shoreline. The surrounding Bass Strait waters provide foraging habitat for these marine-dependent birds.

The island's vegetation includes coastal tussock grassland, heath, and the modified terrain characteristic of Bass Strait seabird islands. Both penguin and shearwater burrowing activity creates hummocky terrain and open bare patches between vegetated areas.

Waterhouse Island is composed of Devonian granite, the dominant rock type of eastern Bass Strait islands. The island is the largest in its group, providing more extensive habitat for seabird nesting than the smaller islands of the Waterhouse Group.

Eastern Bass Strait maritime climate with prevailing southwesterly winds and variable seasonal conditions.

The Waterhouse Group was within the maritime range of northeastern Tasmanian Palawa people and was used by sealers and mutton-birders in the colonial era.

Waterhouse Island was declared a nature reserve to protect its seabird colonies. Its status as the largest island in the group makes it the most significant breeding habitat within the Waterhouse nature reserve network.

No visitor infrastructure. Wildlife can be observed from vessels in the area.

No public access without Parks and Wildlife Tasmania permits. Accessible by vessel from northeastern Tasmania.

Conservation focuses on biosecurity, predator control, and monitoring of penguin and shearwater colonies.