Sisters Island is about 40 km north of

Dunk Island Dunk Island, known as ''Coonanglebah'' in the Warrgamay and Dyirbal languages, is an island within the locality of Dunk in the Cassowary Coast Region, Queensland, Australia. It lies off the Australian east coast, opposite the town of Missi ...

. With nearby Stephens Island it forms the South Barnard Islands Group, which is protected within the

Barnard Island Group National Park The Barnard Island Group is a protected area in the Cassowary Coast Region, Queensland, Australia. These are islands with a fascinating geological past, dating back 420 million years., Six species of terns have been found nesting in the southe ...

. It is a popular site for tourist kayaking. It is around 4 hectares or 0.04 square km in size. The island is part of the South Barnard Islands Important Bird Area, identified as such by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding ...

because of its importance as a breeding site for

tern Terns are seabirds in the family Laridae that have a worldwide distribution and are normally found near the sea, rivers, or wetlands. Terns are treated as a subgroup of the family Laridae which includes gulls and skimmers and consists of e ...

References

Islands on the Great Barrier Reef Important Bird Areas of Queensland {{Queensland-geo-stub