Arctic Ocean Arctic Ocean Mega Island Mountains North America Polar Untouched Wilderness Disko Arctic Ocean Arctic Ocean Mega Island Mountains North America Polar Untouched Wilderness Disko, Denmark Added on 10 December 2023 8,449.434 km² Denmark
Atlantic Ocean Mega Island Moderately Inhabited North America North Atlantic Ocean Plateau Tropical Puerto Rico Atlantic Ocean Mega Island Moderately Inhabited North America North Atlantic Ocean Plateau Tropical Puerto Rico, United States of America Added on 10 December 2023 8,759.471 km² United States of America