Wallabi GroupEaster GroupPelsaert Group Wallabi GroupNorth I. • East Wallabi I.• West Wallabi I.• Beacon I The Wallabi Group is the northernmost group of islands in the Houtman Abrolhos off the western coast of Western Australia. it is 58 kilometres (36 miles) from the Australian mainland, and about 9 kilometres (5.6 miles) from the Easter Group.