Mega Island Mountains North America North Pacific Ocean Pacific Ocean Polar Untouched WildernessUmnak Umnak, United States of America Added on 10 December 2023 1,759.406 km² United States of America
Arctic Ocean Arctic Ocean Mega Island Mountains North America Polar Untouched WildernessMilne Land Milne Land, Denmark Added on 10 December 2023 3,713.425 km² Denmark
Arctic Ocean Arctic Ocean Mega Island North America Plains Polar Untouched WildernessMansel Mansel, Canada Added on 10 December 2023 3,162.257 km² Canada
Arctic Ocean Arctic Ocean Mega Island North America Plains Polar Untouched WildernessBorden Borden, Canada Added on 10 December 2023 2,795.946 km² Canada
Arctic Ocean Arctic Ocean Mega Island North America Plains Polar Untouched WildernessMackenzie King Mackenzie King, Canada Added on 10 December 2023 5,056.273 km² Canada
Arctic Ocean Arctic Ocean Hills Mega Island North America Polar Untouched WildernessCornwallis Cornwallis, Canada Added on 10 December 2023 7,070.115 km² Canada
Arctic Ocean Arctic Ocean Asia Mega Island Plains Polar Untouched WildernessNew Siberia New Siberia, Russia Added on 10 December 2023 6,240.453 km² Russia
Arctic Ocean Arctic Ocean Asia Hills Mega Island Polar Untouched WildernessGreat Lyakhovsky Great Lyakhovsky, Russia Added on 10 December 2023 5,271.273 km² Russia
Arctic Ocean Arctic Ocean Mega Island Mountains North America Polar Untouched WildernessTraill Traill, Denmark Added on 10 December 2023 3,407.670 km² Denmark
Hills Mega Island North America North Pacific Ocean Pacific Ocean Polar Untouched WildernessNunivak Nunivak, United States of America Added on 10 December 2023 4,176.766 km² United States of America
Mega Island North America North Pacific Ocean Pacific Ocean Plateau Polar Untouched WildernessSt. Lawrence St. Lawrence, United States of America Added on 10 December 2023 4,593.624 km² United States of America
Arctic Ocean Arctic Ocean Mega Island North America Plains Polar Untouched WildernessPrince Charles Island Prince Charles Island, Canada Added on 10 December 2023 9,665.870 km² Canada
Arctic Ocean Arctic Ocean Asia Mega Island Plains Polar Untouched WildernessOstrov Khardang-Sise Ostrov Khardang-Sise, Russia Added on 10 December 2023 1,369.014 km² Russia
Arctic Ocean Arctic Ocean Asia Mega Island Plains Polar Untouched WildernessBolshoy Begichev Bolshoy Begichev, Russia Added on 10 December 2023 1,868.558 km² Russia
Arctic Ocean Arctic Ocean Asia Mega Island Plateau Polar Untouched WildernessKomsomolets Komsomolets, Russia Added on 10 December 2023 8,948.019 km² Russia
Arctic Ocean Arctic Ocean Europe Mega Island Plateau Polar Untouched WildernessEdgeoya Edgeoya, Norway Added on 10 December 2023 4,988.685 km² Norway
Arctic Ocean Arctic Ocean Europe Hills Mega Island Polar Untouched WildernessKolguyev Kolguyev, Russia Added on 10 December 2023 5,070.576 km² Russia
Arctic Ocean Arctic Ocean Asia Mega Island Plains Polar Untouched WildernessAyon Ayon, Russia Added on 10 December 2023 2,156.064 km² Russia
Arctic Ocean Arctic Ocean Hills Mega Island North America Polar Untouched WildernessVanier Vanier, Canada Added on 10 December 2023 1,122.767 km² Canada
Arctic Ocean Arctic Ocean Mega Island Mountains North America Polar Untouched WildernessYmer Ymer, Denmark Added on 10 December 2023 2,390.596 km² Denmark