High Quality Content by WIKIPEDIA articles Ruapuke Island is one of the southernmost islands in New Zealand's main chain of islands. It lies 15 kilometres (9.3 mi) to the southeast of Bluff and 32 kilometres (20 mi) northeast of Oban on Stewart Island/Rakiura. The island covers an area of about 16 km2 (6 sq mi). It guards the eastern end of Foveaux Strait. The island is uninhabited but formerly had a Māori population of 200.