Erub Island is an island locality in the Torres Strait Island Region, Queensland, Australia. The locality contains only the island called Darnley Island (but is also known as Erub). The town on the island is also called Darnley Island. In the , Erub Island had a population of 326 people.
In the , Erub Island had a population of 328 people.
In the , Erub Island had a population of 326 people.
Tagai State College operates across 17 campuses on the Torres Strait Islands. The Darnley Island has a primary (Early Childhood-6) campus of Tagai State College ().