Big Green Island

{{Short description|Island in Tasmania, Australia}}

{{Use Australian English|date=May 2024}}

{{Use dmy dates|date=July 2019}}

{{Infobox islands

| name = Big Green Island

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| map = Australia Tasmania

| map_relief = 1

| map_width = 280

| map_caption = Location of the Big Green Island in Bass Strait

| location = Bass Strait

| coordinates = {{Coord|40|10|48|S|147|58|12|E|type:isle|display=title,inline}}

| archipelago = Big Green Group, part of the Furneaux Group

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| area_ha = 122

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| country = Australia

| country_admin_divisions_title = State

| country_admin_divisions = Tasmania

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The Big Green Island, part of the Big Green Group within the Furneaux Group, is a {{convert|122|ha|adj=on}} granite island with limestone and dolerite outcrops, located in Bass Strait west of Flinders Island, in Tasmania, in south-eastern Australia.{{Gazetteer of Australia |name=Big Green Island (TAS) |feature=TAS03811 }} The island is partly contained within a nature reserve with the rest being used for farming;Brothers, Nigel; Pemberton, David; Pryor, Helen; & Halley, Vanessa. (2001). Tasmania’s Offshore Islands: seabirds and other natural features. Tasmanian Museum and Art Gallery: Hobart. {{ISBN|0-7246-4816-X}} and is part of the Chalky, Big Green and Badger Island Groups Important Bird Area.{{cite web|url=http://www.birdata.com.au/iba.vm |title=IBA: Chalky, Big Green and Badger Island Groups |access-date=14 June 2011 |work=Birdata |publisher=Birds Australia |archive-url=https://web.archive.org/web/20110706102341/http://www.birdata.com.au/iba.vm |archive-date=6 July 2011 |url-status=dead }}

Besides the Big Green Island, other islands that comprise the Big Green Group include the Chalky, East Kangaroo, Isabella, Little Chalky and Mile islands.