 The most northerly group, the Wallabi Group, consists of an island clump about 17 kilometres (10 mi) by 10 kilometres (6 mi), and also takes in the outlying North Island, located 14 kilometres to the northwest.The main islands of the Wallabi Group are North Island, West Wallabi Island, East Wallabi Island and Beacon Island.The group is best known for the shipwreck of "Batavia" on Morning Reef near Beacon Island in 1629, and the subsequent mutiny and massacre that took place among the marooned survivors.