Name Coordinates Remarks Gabriel Island (Western Australia) 14°5′58″S 125°44′47″E / 14.09944°S 125.74639°E / -14.09944; 125.74639 (Gabriel Island ) Gadayim Pyramid 16°3′10″S 124°2′16″E / 16.05278°S 124.03778°E / -16.05278; 124.03778 (Gadayim Pyramid ) Gagg Islands 16°10′27″S 123°25′34″E / 16.17417°S 123.42611°E / -16.17417; 123.42611 (Gagg Islands ) Gaimard Island 14°26′20″S 125°14′6″E / 14.43889°S 125.23500°E / -14.43889; 125.23500 (Gaimard Island ) Gale Island 14°56′3″S 124°55′10″E / 14.93417°S 124.91944°E / -14.93417; 124.91944 (Gale Island ) Gannet Island (Western Australia) 20°26′52″S 115°34′1″E / 20.44778°S 115.56694°E / -20.44778; 115.56694 (Gannet Island ) Gap Island 15°19′51″S 124°52′9″E / 15.33083°S 124.86917°E / -15.33083; 124.86917 (Gap Island ) Garden Island (Western Australia) 32°12′18″S 115°40′24″E / 32.20500°S 115.67333°E / -32.20500; 115.67333 (Garden Island (Western Australia) ) Gardenia Island 20°23′2″S 115°31′36″E / 20.38389°S 115.52667°E / -20.38389; 115.52667 (Gardenia Island ) Gaze Island 28°51′50″S 113°59′25″E / 28.86389°S 113.99028°E / -28.86389; 113.99028 (Gaze Island ) George Island (Western Australia) 34°3′7″S 123°15′26″E / 34.05194°S 123.25722°E / -34.05194; 123.25722 (George Island (Western Australia) ) Geranium Islands 13°54′31″S 126°35′17″E / 13.90861°S 126.58806°E / -13.90861; 126.58806 (Geranium Islands ) Gibbings Island 16°9′11″S 123°30′51″E / 16.15306°S 123.51417°E / -16.15306; 123.51417 (Gibbings Island ) Gibson Island (Western Australia) 16°18′42″S 123°18′0″E / 16.31167°S 123.30000°E / -16.31167; 123.30000 (Gibson Island ) Gibson Island (Western Australia) 28°41′13″S 113°49′40″E / 28.68694°S 113.82778°E / -28.68694; 113.82778 (Gibson Island ) Gidley Island 20°26′59″S 116°49′10″E / 20.44972°S 116.81944°E / -20.44972; 116.81944 (Gidley Island ) Gilbert Island (Western Australia) 28°40′5″S 113°49′34″E / 28.66806°S 113.82611°E / -28.66806; 113.82611 (Gilbert Island (Western Australia) ) Gill Island (Western Australia) 15°45′53″S 124°45′11″E / 15.76472°S 124.75306°E / -15.76472; 124.75306 (Gill Island (Western Australia) ) Glasse Island 34°25′22″S 119°24′34″E / 34.42278°S 119.40944°E / -34.42278; 119.40944 (Glasse Island ) Glauert Island 15°3′37″S 124°58′18″E / 15.06028°S 124.97167°E / -15.06028; 124.97167 (Glauert Island ) Glennie Island 34°5′49″S 123°6′13″E / 34.09694°S 123.10361°E / -34.09694; 123.10361 (Glennie Island ) Gnandaroo Island 21°57′25″S 114°31′13″E / 21.95694°S 114.52028°E / -21.95694; 114.52028 (Gnandaroo Island ) Goat Island (Western Australia) 16°10′21″S 123°19′11″E / 16.17250°S 123.31972°E / -16.17250; 123.31972 (Goat Island (Western Australia) ) Godman Island 33°57′54″S 122°48′10″E / 33.96500°S 122.80278°E / -33.96500; 122.80278 (Godman Island ) Godsmark Island 16°7′13″S 123°17′36″E / 16.12028°S 123.29333°E / -16.12028; 123.29333 (Godsmark Island ) Goodwyn Island 20°32′12″S 116°32′14″E / 20.53667°S 116.53722°E / -20.53667; 116.53722 (Goodwyn Island ) Goongoolup Island 32°35′27″S 115°45′53″E / 32.59083°S 115.76472°E / -32.59083; 115.76472 (Goongoolup Island ) Goose Island 34°4′58″S 123°10′55″E / 34.08278°S 123.18194°E / -34.08278; 123.18194 (Goose Island (Western Australia) ) Just north of Middle Island , south-east of Esperance Goose Island 35°4′7″S 116°43′39″E / 35.06861°S 116.72750°E / -35.06861; 116.72750 (Goose Island (Western Australia) ) Off Nornalup Inlet , just south of the Casuarina Isles Gould Island (Western Australia) 33°57′56″S 122°51′25″E / 33.96556°S 122.85694°E / -33.96556; 122.85694 (Gould Island ) Governor Islands 13°56′36″S 126°41′58″E / 13.94333°S 126.69944°E / -13.94333; 126.69944 (Governor Islands ) Granite Island (Western Australia) 15°29′17″S 124°35′59″E / 15.48806°S 124.59972°E / -15.48806; 124.59972 (Granite Island (Western Australia) ) Great Sandy Island (Western Australia) 21°11′46″S 115°38′16″E / 21.19611°S 115.63778°E / -21.19611; 115.63778 (Great Sandy Island (Western Australia) ) Green Island (Rottnest Island) 32°01′03″S 115°29′50″E / 32.01750°S 115.49722°E / -32.01750; 115.49722 (Green Island (Rottnest Island) ) South end of Nancy Cove, Rottnest Island Green Island (Kimberley coast) 15°28′38″S 124°35′57″E / 15.47722°S 124.59917°E / -15.47722; 124.59917 (Green Island (Kimberley coast) ) In the Kimberley Region, just South of Augustus Island Green Island (Western Australia) 34°59′11″S 117°56′59″E / 34.98639°S 117.94972°E / -34.98639; 117.94972 (Green Island (Western Australia) ) In Oyster Harbour, King George Sound - this page Green Island (Ord River) 15°28′42″S 128°18′55″E / 15.47833°S 128.31528°E / -15.47833; 128.31528 (Green Island (Ord River) ) Located in the Ord River Green Islands (Western Australia) 30°40′57″S 115°06′15″E / 30.68250°S 115.10417°E / -30.68250; 115.10417 (Green Islands (Western Australia) ) Green Islands (Western Australia) 35°07′38″S 117°51′44″E / 35.12722°S 117.86222°E / -35.12722; 117.86222 (Green Islands (Western Australia) ) Greenhalgh Island 16°28′11″S 123°26′24″E / 16.46972°S 123.44000°E / -16.46972; 123.44000 (Greenhalgh Island ) Gregory Island (Kimberley coast) 16°18′59″S 123°18′31″E / 16.31639°S 123.30861°E / -16.31639; 123.30861 (Gregory Island ) Gregory Island (Houtman Abrolhos) 28°53′55″S 114°0′19″E / 28.89861°S 114.00528°E / -28.89861; 114.00528 (Gregory Island ) Greville Island 15°18′19″S 124°51′17″E / 15.30528°S 124.85472°E / -15.30528; 124.85472 (Greville Island ) Grey Island 15°3′38″S 124°57′11″E / 15.06056°S 124.95306°E / -15.06056; 124.95306 (Grey Island ) Gulch Island (Western Australia) 34°1′31″S 123°14′50″E / 34.02528°S 123.24722°E / -34.02528; 123.24722 (Gulch Island ) Gun Island 28°53′17″S 113°51′26″E / 28.88806°S 113.85722°E / -28.88806; 113.85722 (Gun Island ) Gunton Island 33°59′18″S 121°59′39″E / 33.98833°S 121.99417°E / -33.98833; 121.99417 (Gunton Island ) Guy Reid Island 16°17′10″S 128°40′28″E / 16.28611°S 128.67444°E / -16.28611; 128.67444 (Guy Reid Island )