LARGEST

A map of the Largest Islands

• Greenland - (840,004 sq. miles) (2,175,600 sq. km)
• New Guinea - (303,381 sq. miles) (785,753 sq. km)
• Borneo - (288,869 sq. miles) (748,168 sq. km)
• Madagascar - (226,917 sq. miles) (587,713 sq. km)
• Baffin - (194,574 sq. miles) (503,944 sq. km)
• Sumatra - (171,069 sq. miles) (443,066 sq. km)
• Honshu - (88,982 sq. miles) (225,800 sq. km)
• Great Britain - (80,823 sq. miles) (209,331 sq. km)
• Victoria - (85,154 sq. miles) (220,548 sq. km)
• Ellesmere - (71,029 sq. miles) (183,965 sq. km)

NOTE: Australia is widely considered as a continental landmass, not an island. It certainly is the largest island, with a size of (2,966,153 sq miles) (7,682,300 sq km).

Source: UNEP island database

LARGEST ISLAND COUNTRIES

• Indonesia - (735,358 sq miles) (1,904,569 sq km)
• Madagascar - (226,658 sq miles) (587,041 sq km)
• Papua New Guinea - (178,704 sq miles) (462,840 sq km)
• Japan - (145,898 sq miles) (377,873 sq km)
• Malaysia - (127,355 sq miles) (329,847 sq km)
• Philippines - (115,831 sq miles) (300,000 sq km)
• New Zealand - (104,454 sq miles) (270,534 sq km)
• Great Britain - (80,823 sq. miles) (209,331 sq. km)

NOTE: Great Britain is an island that combines the countries of England, Scotland, and Wales, and is a part of the country of the "United Kingdom of Great Britain and Northern Ireland," commonly referred to as the UK.

• Cuba - (42,804 sq miles) (110,861 sq km)
• Iceland - (39,769 sq miles) (103,000 sq km)

Source: UNSTATS 

HIGHEST ISLANDS

• New Guinea - (16,503 feet) (5,030 meters)
• Hawaii, USA - (13,796 feet) (4,205 meters)
• Borneo, Indonesia - (13,698 feet) (4,175 meters)
• Formosa, China - (13,114 feet) (3,997 meters)
• Sumatra, Indonesia - (12,484 feet) (3,805 meters)
• Ross, Antarctica - (12,448 feet) (3,794 meters)
• Honshu, Japan - (12,388 feet) (3,776 meters)
• South Island, NZ - (12,349 feet) (3,764 meters)
• Lombok, Indonesia - (12,224 feet) (3,726 meters)

LARGEST VOLCANIC ISLANDS

• Sumatra, Indonesia - (171,069 sq. miles) (443,066 sq. km)
• Honshu, Japan - (88,982 sq. miles) (225,800 sq. km)
• Java, Indonesia - (53,589 sq miles) (138,794 sq km)
• North Island, NZ - (43,082 sq miles) (111,583 sq km)
• Luzon, Philippines - (42,458 sq miles) (109,965 sq km)
• Iceland - (39,315 sq miles) (101,826 sq km)
• Mindanao, Philippines - (37,657 sq miles) (97,530 sq km)
• Hokkaido, Japan - (30,395 sq miles) (78,719 sq km)
• New Britain, PNG - (13,569 sq miles) (35,145 sq km)
• Halmahera, Indonesia - (6,965 sq miles) (18,040 sq km)

Source: UNEP island database

LARGEST LAKE ISLANDS

• Manitoulin, Lake Huron - (1,068 sq miles) (2,766 sq km)
• Vozrozhdeniya, Aral Sea - (888 sq miles) (2,300 sq km)
• Rene-Lavasseur, Manicouagan Reservoir, Quebec, Canada - (780 sq miles) (2,000 sq km)
• Olkhon, Lake Baykal - (282 sq miles) (730 sq km)
• Samosir, Toba - (243 sq miles) (630 sq km)
• Isle Royal, Lake Superior - (209 sq miles) (541 sq km)
• Ukerewe, Lake Victoria - (205 sq miles) (530 sq km)
• St. Joseph, Lake Huron - (141 sq miles) (365 sq km)
• Drummond, Lake Huron - (134 sq miles) (347 sq km)
• Idjwi, Lake Kivu, DRC - (110 sq miles) (285 sq km)

LARGEST ISLANDS in the USA

• Hawaii, Hawaii - (4,029 sq miles) (10,434 sq km)
• Kodiak, Alaska - (3,672 sq miles) (9,510 sq km)
• Puerto Rico* - (3.588 sq miles) (8,710 sq km) 
• Prince of Wales, Alaska - (2,577 sq miles) (6,675 sq km)
• Chichagof, Alaska - (2,080 sq miles) (5,388 sq km)
• Saint Lawrence, Alaska - (1,710 sq miles) (4,430 sq km)
• Admiralty, Alaska - (1,684 sq miles) (4,362 sq km)
• Nunivak, Alaska - (1,632 sq miles) (4,227 sq km)
• Baranof, Alaska - (1569 sq miles) (4,064.5 sq km)
• Unimak, Alaska - (1,590 sq miles) (4,119 sq km)
• Long Island, NY - (1,401 sq miles) (3,629 sq km)

*US territory 

LARGEST ISLANDS in EUROPE

• Great Britain - (80,823 sq. miles) (209,331 sq. km)
• Iceland - (39,769 sq miles) (103,000 sq km)
• Ireland - (31,521 sq miles) (81,638 sq km)
• West Spitsbergen - (15,050 sq miles) (38,980 sq km)
• Sicily - (9,908 sq miles) (25,662 sq km)
• Sardinia - (9,247 sq miles) (23,949 sq km)
• Nordaustlandet - (5,401 sq miles) (14,247 sq km)
• Cyprus - (3,565 sq miles) (9,234 sq km)
• Corsica - (3,375 sq miles) (8,741 sq km)
• Crete - (3,260 sq miles) (8,450 sq km)