List of islands of the United States by area

This is a list of island
Island
An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

s of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, as ordered by area. It includes all islands with an area greater than 20 square miles (approximately 52 km²), but excludes peninsulas such as Cape Cod

Cape Cod

Cape Cod, often referred to locally as simply the Cape, is a cape in the easternmost portion of the state of Massachusetts, in the Northeastern United States...

, Copper Island

Copper Island

Copper Island is a local name given to the northern part of the Keweenaw Peninsula , separated from the rest of the Keweenaw Peninsula by Portage Lake and the Keweenaw Waterway.- Geography :The area was "isolated" by dredging in 1859 and construction in the...

, or Delmarva Peninsula

Delmarva Peninsula

The Delmarva Peninsula is a large peninsula on the East Coast of the United States, occupied by most of Delaware and portions of Maryland and Virginia...

that were originally connected to the mainland, but have been effectively transformed into islands by the building of canal

Canal

Canals are man-made channels for water. There are two types of canal:#Waterways: navigable transportation canals used for carrying ships and boats shipping goods and conveying people, further subdivided into two kinds:...

Islands over 250 square miles (647.5 km²)

Rank	Island's Name	Area (sq mi)	Area (km²)	Location	Population (2000) United States Census, 2000 The Twenty-second United States Census, known as Census 2000 and conducted by the Census Bureau, determined the resident population of the United States on April 1, 2000, to be 281,421,906, an increase of 13.2% over the 248,709,873 persons enumerated during the 1990 Census...
1	Hawaii (Big Island) Hawaii (island) The Island of Hawaii, also called the Big Island or Hawaii Island , is a volcanic island in the North Pacific Ocean...	4,028	10,433	Hawaii	148,677
2	Kodiak Island Kodiak Island Kodiak Island is a large island on the south coast of the U.S. state of Alaska, separated from the Alaska mainland by the Shelikof Strait. The largest island in the Kodiak Archipelago, Kodiak Island is the second largest island in the United States and the 80th largest island in the world, with an...	3,588	9,293	Alaska	13,913
3	Puerto Rico Geography of Puerto Rico The geography of Puerto Rico describes an archipelago located between the Caribbean Sea and the North Atlantic Ocean, east of the Dominican Republic and west of the Virgin Islands. The main island of Puerto Rico is the smallest and most eastern of the Greater Antilles. With an area of , it is the...	3,435	9,104	Puerto Rico	3,808,610
4	Prince of Wales Island	2,577	6,675	Alaska	6,000
5	Chichagof Island Chichagof Island Chichagof Island, or Shee Kaax, is an island in the Alexander Archipelago of the Alaska Panhandle. At long and wide, it has a land area of , making it the fifth largest island in the United States and the 109th largest island in the world. It's coastline measures 742 miles. There was a 2000...	2,080	5,388	Alaska	1,342
6	St. Lawrence Island St. Lawrence Island St. Lawrence Island is located west of mainland Alaska in the Bering Sea, just south of the Bering Strait, at about 63°30' North 173°20' West. The village of Gambell is located on the northwest cape, from the Chukchi Peninsula in the Russian Far East. The island is part of Alaska, but closer to...	1,983	5,135	Alaska	1,292
7	Admiralty Island Admiralty Island Admiralty Island is an island in the Alexander Archipelago in Southeast Alaska, at . It is 145 km long and 56 km wide with an area of 4,264.1 km² , making it the seventh largest island in the United States and the 132nd largest island in the world. It is one of the...	1,684	4,362	Alaska	650
8	Nunivak Island Nunivak Island Nunivak Island , the second largest island in the Bering Sea, is a permafrost-covered volcanic island lying about 30 miles offshore from the delta of the Yukon and Kuskokwim rivers in the state of Alaska, at about 60° North latitude...	1,625	4,209	Alaska	210
9	Unimak Island Unimak Island Unimak Island is the largest island in the Aleutian Islands chain of the U.S. state of Alaska. It is the easternmost island in the Aleutians and, with an area of 1,571.41 mi² , the ninth largest island in the United States and the 134th largest island in the world. It is home to Mount...	1,590	4,119	Alaska	64
10	Baranof Island Baranof Island Baranof Island, also sometimes called Baranov Island, Shee or Sitka Island, is an island in the northern Alexander Archipelago in the Alaska Panhandle, in Alaska. The name Baranof was given in 1805 by Imperial Russian Navy captain U. F. Lisianski to honor Alexander Andreyevich Baranov...	1,570	4,065	Alaska	8,532
11	Long Island Long Island Long Island is an island located in the southeast part of the U.S. state of New York, just east of Manhattan. Stretching northeast into the Atlantic Ocean, Long Island contains four counties, two of which are boroughs of New York City , and two of which are mainly suburban...	1,401	3,629	New York	7,448,618
12	Revillagigedo Island Revillagigedo Island Revillagigedo Island is an island in the Alexander Archipelago in Ketchikan Gateway Borough of the southeastern region of the U.S. state of Alaska. Running about 89 km north-south and 48 km east-west, it is 2,754.835 km² in area, making it the 12th largest island in the United...	1,145	2,965	Alaska	13,950
13	Kupreanof Island Kupreanof Island Kupreanof Island is an island in the Alexander Archipelago in southeastern Alaska. The island is long and wide with a total land area is , making it the 13th largest island in the United States and the 170th largest island in the world. The Lindenberg Peninsula, on the southeast side of the...	1,086	2,813	Alaska	785
14	Unalaska Island Unalaska Island Unalaska is an island in the Fox Islands group of the Aleutian Islands in the U.S. state of Alaska, at . The island has a land area of . The city of Unalaska, Alaska, covers part of the island and all of neighboring Amaknak Island where the Port of Dutch Harbor is located...	1,051	2,722	Alaska	1,759
15	Nelson Island Nelson Island (Alaska) Nelson Island is an island in the Bethel Census Area of southwestern Alaska. It is 42 miles long and 20–35 miles wide. With an area of 843 square miles , it is the 15th largest island in the United States...	843	2,183	Alaska	1,065
16	Kuiu Island Kuiu Island Kuiu Island is an island in the Alexander Archipelago in southeastern Alaska. It lies between Kupreanof Island, to its east, and Baranof Island, to its west. The island is long, and 10–23 km wide. It is nearly cut in two by Affleck Canal. It has of land area, making it the 15th largest...	758	1,962	Alaska	10
17	Maui Maui The island of Maui is the second-largest of the Hawaiian Islands at and is the 17th largest island in the United States. Maui is part of the state of Hawaii and is the largest of Maui County's four islands, bigger than Lānai, Kahoolawe, and Molokai. In 2010, Maui had a population of 144,444,...	727	1,883	Hawaii	117,644
18	Afognak Afognak Afognak is an island north of Kodiak Island in the U.S. state of Alaska. It is 43 miles from east to west and 23 miles from north to south and has a land area of , making it the 18th largest island in the United States. The coast is split by many long, narrow bays...	698	1,809	Alaska	169
19	Umnak Umnak Umnak is one of the Fox Islands of the Aleutian Islands. With of land area, it is the third largest island in the Aleutian archipelago and the 19th largest island in the United States. The island is home to a large volcanic caldera on Mount Okmok and is separated from Unalaska Island by Umnak Pass...	692	1,793	Alaska	39
20	Oahu Oahu Oahu or Oahu , known as "The Gathering Place", is the third largest of the Hawaiian Islands and most populous of the islands in the U.S. state of Hawaii. The state capital Honolulu is located on the southeast coast...	597	1,545	Hawaii	876,151
21	Kauai Kauai Kauai or Kauai, known as Tauai in the ancient Kaua'i dialect, is geologically the oldest of the main Hawaiian Islands. With an area of , it is the fourth largest of the main islands in the Hawaiian archipelago, and the 21st largest island in the United States. Known also as the "Garden Isle",...	552	1,430	Hawaii	58,303
22	Atka Island Atka Island Atka Island is the largest island in the Andreanof Islands of the Aleutian Islands of Alaska. The island is east of Adak Island. It is long and wide with a land area of , making it the 22nd largest island in the United States. The northeast of Atka Island contains the Korovin volcano which...	410	1,061	Alaska	95
23	Attu Island Attu Island Attu is the westernmost and largest island in the Near Islands group of the Aleutian Islands of Alaska, making it the westernmost point of land relative to Alaska and the United States. It was the site of the only World War II land battle fought on the incorporated territory of the United States ,...	346	896	Alaska	20
24	Etolin Island Etolin Island Etolin Island is an island in the Alexander Archipelago of southeastern Alaska, USA, at . It is between Prince of Wales Island, to its west, and the Alaska mainland, to its east. It is southwest of Wrangell Island. It was first charted in 1793 by James Johnstone, one of George Vancouver's...	336	870	Alaska	15
25	Adak Island Adak Island Adak Island is an island near the western extent of the Andreanof Islands group of the Aleutian Islands in Alaska. Alaska's southernmost town, Adak, is located on the island...	280	725	Alaska	316
26	Montague Island Montague Island (Alaska) Montague Island is an island in the Gulf of Alaska lying at the entrance to Prince William Sound in the state of Alaska, USA. The island has a land area of 790.88 km² , making it the 26th largest island in the United States. As of the 2000 census, Montague did not have a permanent resident...	279	722	Alaska	0
27	Molokai Molokai Molokai or Molokai is an island in the Hawaiian archipelago. It is 38 by 10 miles in size with a land area of , making it the fifth largest of the main Hawaiian Islands and the 27th largest island in the United States. It lies east of Oahu across the 25-mile wide Kaiwi Channel and north of...	260	673	Hawaii	7,404
28	Dall Island Dall Island Dall Island is an island in the Alexander Archipelago off the southeast coast of Alaska, just west of Prince of Wales Island and north of Canadian waters. Its peak elevation is 2,443 feet above sea level. Its land area is 254.02 square miles , making it the 28th largest island in the United States...	253	655	Alaska	20

Islands 250 – 75 square miles (194.2 km²)

This section of the list might not be complete, but covers almost all of the islands in the United States over 75 square miles (194.2 km²).

Rank	Island's Name	Area (sq mi)	Area (km²)	Location	Population (2000) United States Census, 2000 The Twenty-second United States Census, known as Census 2000 and conducted by the Census Bureau, determined the resident population of the United States on April 1, 2000, to be 281,421,906, an increase of 13.2% over the 248,709,873 persons enumerated during the 1990 Census...
29	Wrangell Island Wrangell Island Wrangell Island is in the Alexander Archipelago in the Alaska Panhandle of southeastern Alaska. It is long and 8–23 km wide. It has a land area of , making it the 29th largest island in the United States...	216	560	Alaska	2,401
30	Mitkof Island Mitkof Island Mitkof Island is an island in the Alexander Archipelago in southeast Alaska, at . between Kupreanof Island to the west and the Alaska mainland to the east. It is about wide and long with a land area of , making it the 30th largest island in the United States.The island is relatively flat with...	211	546	Alaska	3,364
31	Padre Island Padre Island Padre Island is part of the U.S. state of Texas. The island is located on Texas' southern coast of the Gulf of Mexico and is famous for its white sandy beaches at the south end...	209	542	Republic of Texas	?
32	Guam Guam Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...	209	541	Guam	154,805
33	Isle Royale Isle Royale Isle Royale is an island of the Great Lakes, located in the northwest of Lake Superior, and part of the state of Michigan. The island and the 450 surrounding smaller islands and waters make up Isle Royale National Park....	206	534	Michigan	0
34	Tanaga Island Tanaga Island Tanaga Island is an island in the western Andreanof Islands, in the southwest part of the Aleutian Islands, Alaska. The island has a land area of , making it the 33rd largest island in the United States. Its highest point is volcano Mount Tanaga at ....	204	529	Alaska	0
35	Zarembo Island Zarembo Island Zarembo Island is an island in the Alexander Archipelago of southeastern Alaska, United States. It lies directly south of Mitkof Island and northwest of Etolin Island. To the northwest is Kupreanof Island and to the southwest is Prince of Wales Island. It has a land area of 183.14 sq mi , making it...	185	478	Alaska	0
36	Unga Island Unga Island Unga Island is the largest of the Shumagin Islands off the Alaska Peninsula in southwestern Alaska, USA. The island has a land area of 170.73 sq mi , making it the 35th largest island in the United States...	177	461	Alaska	0
37	Amlia Amlia Amlia is an island in the Aleutian Islands. It is located near the eastern end of the Andreanof Islands and is situated between Atka Island and Seguam Island....	176	459	Alaska	0
38	Hinchinbrook Island Hinchinbrook Island (Alaska) Hinchinbrook Island is an island in the Gulf of Alaska lying at the entrance to Prince William Sound in the state of Alaska, USA. The island has a land area of 171.98 sq mi , making it the 37th largest island in the United States...	170	445	Alaska	5
39	Kosciusko Island Kosciusko Island Kosciusko Island is an island in the Alexander Archipelago of southeastern Alaska, USA. It lies near the northwest corner of Prince of Wales Island, just across the El Capitan Passage from the larger island. Kosciusko Island has a land area of 171.585 sq mi , making it the 38th largest island in...	169	438	Alaska	52
40	Whidbey Island Whidbey Island Whidbey Island is one of nine islands located in Island County, Washington, in the United States. Whidbey is located about north of Seattle, and lies between the Olympic Peninsula and the I-5 corridor of western Washington...	169	437	Washington	58,211
41	Kruzof Island Kruzof Island Kruzof Island is an island in the Alexander Archipelago in southeastern Alaska at . It is about west of Sitka, and is part of the City and Borough of Sitka. It was named in 1805 by Captain U.T. Lisianski as Crooze Island, after a Russian Admiral...	168	435	Alaska	0
42	Kanaga Island Kanaga Island Kanaga Island is a part of the Andreanof Islands group of the Aleutian Islands in Alaska. The island measures roughly 30 miles long and between 4 and 8 miles wide with an area of 142 sq mi , making it the 42nd largest island in the United States...	142	369	Alaska	0
43	Lānai Lanai Lānai or Lanai is the sixth-largest of the Hawaiian Islands. It is also known as the Pineapple Island because of its past as an island-wide pineapple plantation. The only town is Lānai City, a small settlement....	141	364	Hawaii	3,193
44	St. Matthew Island St. Matthew Island St. Matthew Island is a remote island in the Bering Sea in Alaska, WNW of Nunivak Island. The island has a land area of , making it the 43rd largest island in the United States. Its most southerly point is Cape Upright which features cliff faces which exceed...	137	354	Alaska	0
45	Annette Island Annette Island Annette Island, or Taak'w Aan, is an island in Gravina Islands of the Alexander Archipelago of the Pacific Ocean on the southeastern coast of the U.S. state of Alaska. It is at . It is about long and about wide. The land area is...	132	342	Alaska	1,447
46	Akutan Island Akutan Island Akutan Island is an island in the Fox Islands group of the eastern Aleutian Islands in the U.S. state of Alaska. The island is approximately 18 mi in length. It contains the Mount Akutan volcano, which had a major lava eruption in 1979...	129	334	Alaska	713
47	Drummond Island	125.	324	Michigan	1,058
48	Hagemeister Island Hagemeister Island Hagemeister Island is an island in the U.S. state of Alaska, located on the north shore of Bristol Bay at the entrance to Togiak Bay.The island is long, has a land area of , and its highest point is...	120	312	Alaska	0
49	Nagai Island Nagai Island Nagai Island is one of the largest of the Shumagin Islands in the Gulf of Alaska, south of the Alaska Peninsula considered a part of the NE Aleutian Range. It is located at , and is 31 miles long....	120	310	Alaska	0
50	Amchitka Amchitka Amchitka is a volcanic, tectonically unstable island in the Rat Islands group of the Aleutian Islands in southwest Alaska. It is part of the Alaska Maritime National Wildlife Refuge. The island is about long, and from wide...	119	309	Alaska	0
51	Sitkalidak Island Sitkalidak Island Sitkalidak Island is an island the western Gulf of Alaska in the Kodiak Island Borough of the state of Alaska, USA. It lies just off the southeast shore of Kodiak Island, across the Sitkalidak Strait from the city of Old Harbor. The island has a land area of 300.839 km² and no resident...	119	309	Alaska	0
52	Mount Desert Island Mount Desert Island Mount Desert Island , in Hancock County, Maine, is the largest island off the coast of Maine. With an area of it is the 6th largest island in the contiguous United States. Though it is often claimed to be the third largest island on the eastern seaboard of the United States, it is actually second...	108	280	Maine	10,424
53	Kiska Kiska Kiska is an island in the Rat Islands group of the Aleutian Islands of Alaska located at . It is about long and varies in width from - Discovery :...	107	278	Alaska	0
54	Knight Island Knight Island (Alaska) Knight Island is an island in western Prince William Sound of the Gulf of Alaska in the state of Alaska, USA.The island has a land area of 277.166 km² and no resident population as of 2000...	101	260	Alaska	0
55	Marsh Island Marsh Island (Louisiana) Marsh Island is an island off the coast of southern Louisiana in the United States.Marsh Island is an uninhabited low-lying marshy island in Iberia Parish, south coastal Louisiana, lying between Vermilion Bay and the Gulf of Mexico...	100	259	Louisiana	0
56	Santa Cruz Island Santa Cruz Island Santa Cruz Island was the largest privately owned island off the continental United States, but is currently part-owned by the National Park service . The island, located off the coast of California, is long and from wide...	98	254	California	2
57	Gravina Island Gravina Island Gravina Island is an island in the Gravina Islands of the Alexander Archipelago in southeastern Alaska. It is long and about wide, with a land area of . The island had a population of 50 people at the 2000 census....	95	245	Alaska	50
58	Martha's Vineyard Martha's Vineyard Martha's Vineyard is an island located south of Cape Cod in Massachusetts, known for being an affluent summer colony....	91	236	Massachusetts	14,901
59	Agattu Agattu Agattu is an island in the Near Islands in the western end of the Aleutian Islands. With a land area of 221.593 km² Agattu is one of the largest uninhabited islands in the Aleutians. It is the second largest of the Near Islands, after Attu Island. It is volcanic and considerably mountainous...	90	234	Alaska	0
60	Semisopochnoi Island Semisopochnoi Island Semisopochnoi Island is part of the Rat Islands group in the western Aleutian Islands of Alaska. The island is uninhabited and provides an important nesting area for maritime birds. The island is of volcanic origin, containing several volcanoes including Mount Cerberus...	86	224	Alaska	0
61	Johns Island Johns Island, South Carolina Johns Island, also spelled John's Island, is the largest island in the U.S. State of South Carolina. It is one of the many Sea Islands along the coast of South Carolina.-Background:...	84	217	South Carolina	11,477
62	Seguam Island Seguam Island Seguam Island is a small volcanic island in the Andreanof Islands group in the Aleutian Islands of Alaska. The island is mountainous and oval shaped with a land area of . It is long and wide. The 2000 census reported a population of one person....	83	215	Alaska	1
63	Saint Croix Saint Croix, U.S. Virgin Islands Saint Croix is an island in the Caribbean Sea, and a county and constituent district of the United States Virgin Islands , an unincorporated territory of the United States. Formerly the Danish West Indies, they were sold to the United States by Denmark in the Treaty of the Danish West Indies of...	82	212	United States Virgin Islands	53,234
64	Yakobi Island Yakobi Island Yakobi Island is an island in the Alexander Archipelago of southeastern Alaska, United States. It lies just off the western edge of Chichagof Island, separated from it by Lisianski Inlet and Lisianski Strait...	82	212	Alaska	0
65	Santa Rosa Island Santa Rosa Island, California Santa Rosa Island is the second largest of the Channel Islands of California at 53,195 acres . Defined by the United States Census Bureau as Block 3009, Block Group 3, Census Tract 29.10 of Santa Barbara County, California, the 2000 census showed an official population of 2 persons. It is part of...	81	209	California	2
66	Raspberry Island Raspberry Island (Alaska) Raspberry Island is an island of the Kodiak Archipelago located in the Gulf of Alaska in the U.S. state of Alaska. It is located two miles northwest of Whale Island, and just across the mile wide Raspberry Strait from the southwestern end of Afognak. The island is separated from Kodiak Island by...	77	200	Alaska	2
67	Dauphin Island Dauphin Island, Alabama Dauphin Island is a town in Mobile County, Alabama , on a barrier island also named Dauphin Island , at the Gulf of Mexico. The population was 1,371 at the 2000 census. The town is included in the Mobile metropolitan statistical area...	75	194	Alabama	1,371
68	Santa Catalina Island Santa Catalina Island, California Santa Catalina Island, often called Catalina Island, or just Catalina, is a rocky island off the coast of the U.S. state of California. The island is long and across at its greatest width. The island is located about south-southwest of Los Angeles, California. The highest point on the island is...	75	194	California	3,696

Islands under 75 square miles (194.2 km²)

This section of the list is not complete, although it should cover most of the islands in the United States over 20 square miles (51.8 km²).

Island's Name	Area (sq mi)	Area (km²)	Location	Population (2000) United States Census, 2000 The Twenty-second United States Census, known as Census 2000 and conducted by the Census Bureau, determined the resident population of the United States on April 1, 2000, to be 281,421,906, an increase of 13.2% over the 248,709,873 persons enumerated during the 1990 Census...
Heceta Island Heceta Island Heceta Island is an island in the Alexander Archipelago of southeastern Alaska, United States. It lies just off the west coast of Prince of Wales Island. Kosciusko Island lies to its north, while Tuxekan Island lies to its northeast. Directly to its south are the Maurelle Islands group, while...	70	181	Alaska	14
Niihau Niihau Niihau or Niihau is the seventh largest of the inhabited Hawaiian Islands in the U.S. state of Hawaii, having an area of . Niihau lies southwest of Kauai across the Kaulakahi Channel. Several intermittent playa lakes provide wetland habitats for the Hawaiian Coot, the Black-winged Stilt, and the...	70	180	Hawaii	160
Saipan Saipan Saipan is the largest island of the United States Commonwealth of the Northern Mariana Islands , a chain of 15 tropical islands belonging to the Marianas archipelago in the western Pacific Ocean with a total area of . The 2000 census population was 62,392...	69	180	Northern Mariana Islands	62,392
Tugidak Island Tugidak Island Tugidak Island is an island of the Kodiak Archipelago in Kodiak Island Borough, Alaska, United States. It lies southwest of the southern tip of Kodiak Island in the western part of the Gulf of Alaska. Sitkinak Island lies to its east. The two islands are the largest components of the Trinity...	69	180	Alaska	0
Hawkins Island Hawkins Island (Alaska) Hawkins Island is an island in the northern part of the Gulf of Alaska in the state of Alaska, USA. It lies just west of the city of Cordova, between that city and the further offshore Hinchinbrook Island. Prince William Sound lies to the north side of the island, while Orca Inlet and the main body...	67	175	Alaska	4
Yunaska Island Yunaska Island Yunaska is the largest of the Islands of Four Mountains group in the Aleutian Islands of southwestern Alaska, United States. It has a land area of 66.834 sq mi and no population at the 2000 census....	67	172	Alaska	0
Sitkinak Island Sitkinak Island Sitkinak Island is an island of the Kodiak Archipelago of the state of Alaska, USA. It lies south of the southern tip of Kodiak Island in the western part of the Gulf of Alaska. Tugidak Island lies to its west. The two islands are the largest components of the Trinity Islands of Alaska...	65	169	Alaska	0
Akun Island Akun Island Akun Island is one of the Fox Islands subgroup of the Aleutian Islands in Aleutians East Borough of southwestern Alaska, USA. It lies east of Akutan Island and southwest of Unimak Island across the Unimak Pass. The Krenitzin Islands lie to its south and southeast across the Avatanak Strait...	65	168	Alaska	0
Shuyak Island Shuyak Island Shuyak Island is an island in the northern part of the Kodiak Archipelago in the state of Alaska, USA. It is located just north of Afognak Island, separated from it by the narrow Shuyak Strait. The Stevenson Entrance to Cook Inlet separates it from the Barren Islands further north in the archipelago...	65	168	Alaska	0
Chuginadak Island Chuginadak Island Chuginadak Island is the largest island in the Islands of Four Mountains subgroup of the Aleutian archipelago. Chuginadak is an Aleutian name published by Captain Tebenkov in an 1852 map...	65	167	Alaska	0
Sukkwan Island Sukkwan Island Sukkwan Island is an island in the Alexander Archipelago of southeastern Alaska, USA. It lies just off the southwest coast of Prince of Wales Island. To its west lies Dall Island, and to its south lies Long Island. The nearest city is Hydaburg, to its north on Prince of Wales Island, just across...	65	167	Alaska	9
Galveston Island Galveston Island Galveston Island is a barrier island on the Texas Gulf coast in the United States, about 50 miles southeast of Houston. The entire island, with the exception of Jamaica Beach, is within the city limits of the City of Galveston....	64	166	Republic of Texas	58,175
Matagorda Island Matagorda Island Matagorda Island, Spanish for "thick brush," is a 38 mile long barrier island on the Texas Gulf coast, about seven miles south of Port O'Connor, in the southernmost part of Calhoun County. The island is oriented generally northeast-southwest, with the Gulf of Mexico on the east and south, and...	61	157	Republic of Texas	0
Great Sitkin Island Great Sitkin Island Great Sitkin Island is a volcanic island in the Andreanof Islands of the Aleutian Islands of Alaska. The island covers a total area of and lies slightly north of a group islands which are located between Adak Island and Atka Island....	60	156	Alaska	0
Staten Island Staten Island Staten Island is a borough of New York City, New York, United States, located in the southwest part of the city. Staten Island is separated from New Jersey by the Arthur Kill and the Kill Van Kull, and from the rest of New York by New York Bay...	59	153	New York	443,728
Deer Island Deer Island (Alaska) Deer Island is an island located at the mouth of Cold Bay on the south side of the Alaska Peninsula in the state of Alaska, USA. It lies about five miles directly south of the mainland city of King Cove, across Deer Passage. The Sanak Islands lie to its south, and the Pavlof Islands to its northeast...	58	152	Alaska	0
Duke Island Duke Island Duke Island is an island in the Gravina Islands of the Alexander Archipelago in the southeastern part of the U.S. state of Alaska. The island is just north of the Canadian border. It is 19 km long and wide...	57	149	Alaska	?
Orcas Island Orcas Island Orcas Island is the largest of the San Juan Islands, which are located in the northwestern corner of Washington state in San Juan County, Washington.-History:...	57	148	Washington	4,453
Cumberland Island Cumberland Island Cumberland Island is one of the Sea Islands. Cumberland is the largest in terms of continuously exposed land area of Georgia's barrier islands. It is located on the Atlantic Ocean off the coast of the U.S. state of Georgia and is part of Camden County...	57	147	Georgia (U.S. state)	0
San Clemente Island San Clemente Island San Clemente Island is the southernmost of the Channel Islands of California. It is owned and operated by the United States Navy, and is a part of Los Angeles County. Defined by the United States Census Bureau as Block Group 2 of Census Tract 5991 of Los Angeles County, California, it is long and...	57	147	California	0
Uganik Island Uganik Island Uganik Island is an island lying just off the west coast of Kodiak Island in the Kodiak Archipelago of Alaska, USA. The island has a land area of 146.7 km² and is uninhabited. However, salmon setnetters occupy fish camp sites along the island shore from June–September each year. The island...	57	147	Alaska	0
Stuart Island Stuart Island, Alaska Stuart Island is a small island on the southeast side of the Norton Sound of Alaska. The island is about long and wide with a land area of 52.195 sq mi and had no resident population at the 2000 census....	56	145	Alaska	0
Hilton Head Island Hilton Head Island, South Carolina Hilton Head Island or Hilton Head is a resort town in Beaufort County, South Carolina, United States. It is north of Savannah, Georgia, and south of Charleston. The island gets its name from Captain William Hilton...	55	144	South Carolina	33,862
Beaver Island Beaver Island (Lake Michigan) Beaver Island is the largest island in Lake Michigan and part of the Beaver Island archipelago. Once home to a unique American monarchy, the island is now a popular tourist and vacation destination....	55	144	Michigan	551
San Juan Island San Juan Island San Juan Island is the second-largest and most populous of the San Juan Islands in northwestern Washington, United States. It has a land area of 142.59 km² and a population of 6,822 as of the 2000 census....	55	143	Washington	6,822
Suemez Island Suemez Island Suemez Island is an island in the Alexander Archipelago of southeastern Alaska, USA. It lies just off the west-central coast of Prince of Wales Island. The northern tip of Dall Island lies to its southeast, while Baker Island lies to its northwest...	52	135	Alaska	0
Tutuila Tutuila Tutuila is the largest and the main island of American Samoa in the archipelago of Samoan Islands. It is the third largest island in the Samoan Islands chain of the Central Pacific located roughly northeast of Brisbane, Australia and over northeast of Fiji. It contains a large, natural harbor,...	52	135	American Samoa	55,876
Esther Island Esther Island (Alaska) Esther Island is an island in the northwestern part of Prince William Sound of the Gulf of Alaska in the state of Alaska, USA. It has a land area of 127.336 km² and a resident population of 31 persons as of the 2000 census. The island is the site of the South Esther Island State Marine Park,...	52	133	Alaska	31
Vieques Vieques, Puerto Rico Vieques , in full Isla de Vieques, is an island–municipality of Puerto Rico in the northeastern Caribbean, part of an island grouping sometimes known as the Spanish Virgin Islands...	51	132	Puerto Rico	9,106
Sanak Island	50	128	Alaska	0
Sugar Island Sugar Island (Michigan) Sugar Island is an island in the U.S. state of Michigan in the St. Marys River between the United States and the Canadian province of Ontario. The entire island constitutes Sugar Island Township in Chippewa County at the eastern tip of the Upper Peninsula...	49	128	Michigan	652
Bois Blanc Island Bois Blanc Island (Michigan) Bois Blanc Island is coterminous with Bois Blanc Township, Mackinac County in the U.S. state of Michigan. The island covers about and is about 12 miles long, 6 miles wide and has 6 lakes. Bois Blanc is located in Lake Huron southeast of Mackinac Island and almost due north of the city of...	49	127	Michigan	71
Nantucket Nantucket, Massachusetts Nantucket is an island south of Cape Cod, Massachusetts, in the United States. Together with the small islands of Tuckernuck and Muskeget, it constitutes the town of Nantucket, Massachusetts, and the coterminous Nantucket County, which are consolidated. Part of the town is designated the Nantucket...	48	124	Massachusetts	9,520
Kagalaska Island Kagalaska Island Kagalaska Island is an island in the Andreanof Islands of the Aleutian Islands of Alaska.The island is in length and wide. It is separated from Adak Island to the west by Kagalaska Strait which is approximately wide at its narrowest point...	45	116	Alaska	0
Kahoolawe Kahoolawe Kahoolawe is the smallest of the eight main volcanic islands in the Hawaiian Islands. Kahoolawe is located about seven miles southwest of Maui and also southeast of Lanai, and it is long by wide, with a total land area of . The highest point on Kahoolawe is the crater of Lua Makika at the...	45	116	Hawaii	0
Long Island Long Island (Alaska) Long Island is an island in the Alexander Archipelago of southeastern Alaska, USA. It lies across the Kaigani Strait from the southern portion of Dall Island and west of the southern part of Prince of Wales Island. Directly to its north is Sukkwan Island...	45	115	Alaska	0
Wadmalaw Island	42	109	South Carolina	2,611
Baker Island Baker Island (Alaska) Baker Island is an island in the Alexander Archipelago of southeastern Alaska, USA. It lies off the central west coast of Prince of Wales Island. Its closest significant island neighbors are Noyes Island to its northwest, Lulu Island directly to its north, and Suemez Island across Bucareli Bay to...	41	105	Alaska	?
Dolgoi Island Dolgoi Island Dolgoi Island is the largest of the Pavlof Islands lying off the southwest coast of the state of Alaska in the United States. It has a land area of 107.4 km² and is uninhabited. All of the Pavlof Islands are part of Aleutians East Borough....	41	107	Alaska	0
Fidalgo Island Fidalgo Island Fidalgo Island is an island in Skagit County, Washington, located about north of Seattle. To the east, it is separated from the mainland by the Swinomish Channel, and from Whidbey Island to the south by Deception Pass...	41	107	Washington	20,700
Camano Island Camano Island Camano Island is a large island in the Possession Sound portion of Puget Sound, located in Island County, Washington, between Whidbey Island and the mainland. The body of water separating Whidbey Island and Camano Island is called Saratoga Passage. Camano Island is separated from mainland...	40	105	Washington	13,358
Saint Paul Island Saint Paul Island, Alaska Saint Paul Island is the largest of the Pribilof Islands, a group of five Alaskan volcanic islands located in the Bering Sea between the United States and Russia. The city of St. Paul is the only residential area on the island. The two nearest islands to Saint Paul Island are Otter Island to the...	40	104	Alaska	532
Sedanka Island Sedanka Island Sedanka Island is an island in the Fox Islands group of the eastern Aleutian Islands, Alaska. It is long and is situated off the northeast coast of Unalaska Island. It has a land area of and no permanent population.-References:...	40	103	Alaska	0
Aquidneck Island/Rhode Island Aquidneck Island Aquidneck Island, located in the state of Rhode Island, is the largest island in Narragansett Bay. The island's official name is Rhode Island, and the common use of name "Aquidneck Island" helps distinguish the island from the state. The total land area is 97.9 km²...	38	98	Rhode Island	60,870
Vashon Island Vashon Island Vashon is a census-designated place in King County, Washington, United States. It covers an island alternately called Vashon Island or Vashon-Maury Island, the largest island in Puget Sound south of Admiralty Inlet. The population was 10,624 at the 2010 census. At , it is about 60 percent larger...	37	96	Washington	10,123
Hatteras Island Hatteras Island Hatteras Island is a barrier island located off the North Carolina coast. Dividing the Atlantic Ocean and the Pamlico Sound, it runs parallel to the coast, forming a bend at Cape Hatteras. It is part of North Carolina's Outer Banks and includes the towns of Rodanthe, Waves, Salvo, Avon, Buxton,...	34	86	North Carolina	4,001
Sauvie Island Sauvie Island Sauvie Island, in the U.S. state of Oregon, originally Wapato Island or Wappatoo Island, is the largest island along the Columbia River, at 26,000 acres , and the largest river island in the United States...	33	85	Oregon	1,078
Grand Isle Grand Isle, Vermont Grand Isle is a town in Grand Isle County, Vermont, United States. The population was 1,955 at the 2000 census.A landing for the Lake Champlain Transportation Company's ferry to Plattsburgh, New York at Cumberland Head is located on the western shore of Grand Isle at Gordon's...	32	82	Vermont	3,651
Kent Island Kent Island, Maryland Kent Island is the largest island in the Chesapeake Bay, and a historic place in Maryland. To the east, a narrow channel known as the Kent Narrows barely separates the island from the Delmarva Peninsula, and on the other side, the island is separated from Sandy Point, an area near Annapolis, by...	32	82	Maryland	16,812
Pine Island Pine Island (Lee County, Florida) Pine Island is an island located in Lee County, Florida, on the Gulf coast of southwest Florida. It is the largest island in the state of Florida, and the 118th largest island in the United States. The Intracoastal Waterway passes through Pine Island Sound, to the west of the island. Matlacha Pass...	32	82	Florida	8,235
Lopez Island Lopez Island Lopez Island is the third largest of the U.S. San Juan Islands. Lopez Island is in land area. The 2000 census population was 2,177.-History:...	30	77	Washington	2,177
Grand Island Grand Island, New York Grand Island is a town and an island in Erie County, New York, USA. As of the 2010 census, the town population is 20,374. This represents an increase of 9.41% from the 2000 census figure . The current town name derives from the French name La Grande Île, as Grand Island is the largest island in...	29	73	New York	18,621
Bainbridge Island	28	72	Washington	20,308
Antelope Island Antelope Island Antelope Island, with an area of , is the largest island of 10 islands located within the Great Salt Lake, Utah, United States. The island lies in the southeastern portion of the lake, near Salt Lake City and Davis County, and becomes a peninsula when the lake is at extremely low levels. Antelope...	27	68	Utah	0
Saint Thomas Saint Thomas, U.S. Virgin Islands Saint Thomas is an island in the Caribbean Sea and with the islands of Saint John, Saint Croix, and Water Island a county and constituent district of the United States Virgin Islands , an unincorporated territory of the United States. Located on the island is the territorial capital and port of...	27	70	United States Virgin Islands	51,181
Madeline Island Madeline Island Madeline Island is an island of the U.S. state of Wisconsin located in Lake Superior approximately two miles northeast of Bayfield, Wisconsin, and connected to that town seasonally by a 20 minute ferry ride or an ice road. It is the largest of the Apostle Islands, although it is not included...	24	62	Wisconsin	246
Washington Island Washington Island (Wisconsin) Washington Island is located about 7 miles northeast of the tip of Door Peninsula in Door County, Wisconsin. The island has a year-round population of 660 people . It has a land area of 60.89 km² and comprises over 92 percent of the land area of the town of Washington, as well as all of its...	24	61	Wisconsin	600
Manhattan Manhattan Manhattan is the oldest and the most densely populated of the five boroughs of New York City. Located primarily on the island of Manhattan at the mouth of the Hudson River, the boundaries of the borough are identical to those of New York County, an original county of the state of New York...	23	60	New York	1,537,195
San Nicolas Island San Nicolas Island San Nicolas Island is the most remote of California's Channel Islands. It is part of Ventura County. The 14,562 acre island is currently controlled by the United States Navy and is used as a weapons testing and training facility, served by Naval Outlying Field San Nicolas Island...	23	59	California	0
Marquette Island Marquette Island Marquette Island is the largest of the 36 islands in the Les Cheneaux archipelago of northern Michigan, United States. Located in Mackinac County on the north shore of Lake Huron, the island has a small summer population. It is 6.5 miles long and 3.5 miles wide...	23	59	Michigan	0
Grand Island	22	58	Michigan	45
North Manitou Island North Manitou Island North Manitou Island is located in Lake Michigan, approximately west-northwest of Leland, Michigan. It is nearly eight miles long and over four miles wide, with of shoreline. It has a land area of 57.876 km² and has no population...	22	58	Michigan	0
Neebish Island Neebish Island Neebish Island is an island in the U.S. state of Michigan in the St. Marys River between the United States and the Canadian province of Ontario. It is divided into two parts known as "Big Neebish" and "Little Neebish" which are divided by a river which is sometimes more mud than river and is known...	22	56	Michigan	66

Islands over 250 square miles (647.5 km²)

Islands 250 – 75 square miles (194.2 km²)

Islands under 75 square miles (194.2 km²)

See also