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Île de la Gonâve
Île de la Gonâve (La Gonâve), a 750-km² limestone island off Haiti in the Gulf of Gonâve, its largest satellite island: severe water scarcity (7 L/person/day), deforestation, chronic food insecurity, and a 2025 gang blockade.
Île de Ré
Île de Ré: Atlantic island in Charente-Maritime, France, opposite La Rochelle, linked since 1988 by the 2,926.5 m toll Pont de l'Île de Ré; known for IGP salt, the 1627 battle of the pont du Feneau, and coastal-risk planning.
Île du Coin
Île du Coin (Coin Island) is the largest island of Peros Banhos atoll in the Chagos Archipelago, a former plantation port uninhabited from 1973 until 2026.
Île Kerguelen
Île Kerguelen (Grande Terre) is the main island of the Kerguelen Archipelago, a French subantarctic TAAF district at 49°S in the Indian Ocean; 6,675 km², Mount Ross 1,850 m, discovered 1772, scientific base Port-aux-Français.
Ile Pauline
Ile Pauline (Île Pauline) is a small uninhabited island in Pearse Strait, Bathurst Island complex, Queen Elizabeth Islands, Nunavut, Canada; 4 km², about 9 m high, within Qausuittuq National Park. Islands of the same name exist in South Australia and Quebec.
Ilha Caviana de Fora
Ilha Caviana de Fora (Ilha Caviana, Caviana Meridional), a low alluvial island in Pará, Brazil, in the Marajó archipelago at the Amazon mouth; former Aruã stronghold, split by a pororoca canal, now an APA with ribeirinho communities.
Ilha da Queimada Grande
Ilha da Queimada Grande (Snake Island, Ilha das Cobras), Brazilian Atlantic island off São Paulo, 35 km from Itanhaém coast, protected ARIE since 1985, home to 15,000+ endemic golden lanceheads (Bothrops insularis), uninhabited since 1918.
Ilha de Santiago
Ilha de Santiago (Santiago Island), largest island of Cape Verde at 991 km², home to Praia, the capital, and over half the national population; first settled in 1462, with UNESCO-listed Cidade Velha.
Ilha Grande de Gurupá
Ilha Grande de Gurupá (Curupa Island, Gurupa Island) is a 4,000 km² river island in the Amazon delta, Pará, Brazil, west of Marajó near the Amazon-Xingu confluence; second largest delta island, site of the 1623 Forte de Santo Antônio de Gurupá.
Ilha Janaucu
Ilha Janaucu (Janaucú, Ilha; also São Sebastião de Viçosa) is a 1-m-high island in Pará, Brazil, in the Amazon mouth. The Barra Norte entrance to the Port of Santana lies between it and Ilha de Curuá.
Ilha Mexiana
Ilha Mexiana (Mexiana Island), a 1,534 km² coastal island in Pará, Brazil, in the Marajó archipelago at the Amazon's mouth; the Equator crosses it; known for the 1901 Goeldi expedition and caiman hunting.
Indira Point
Indira Point, formerly Pygmalion Point, is the southernmost point of India on Great Nicobar Island, marked by a 1972 lighthouse that subsided 4.25 m in the 2004 earthquake and tsunami.
Ingrid Christensen Coast
The Ingrid Christensen Coast is a section of the coast of Princess Elizabeth Land in East Antarctica, named after Ingrid Christensen, wife of Norwegian whaler Lars Christensen.
Inishowen
Inishowen (Inis Eoghain) is Ireland's largest peninsula, in northern County Donegal, bounded by Lough Foyle, Lough Swilly, and the Atlantic; it holds Malin Head, the mainland's northernmost point, and anchors the Wild Atlantic Way's northern end.
Inner Hebrides
The Inner Hebrides are a Scottish west-coast archipelago including Skye, Mull, Islay, Jura, Coll, Tiree and Iona, shaped by Norse settlement from about 800 to 1300 over a Gaelic Dalriada base, served mainly by CalMac ferries from Oban and Mallaig.
Iona
Iona, a small Inner Hebrides island off Mull, Scotland, site of the monastery founded by St Columba in AD 563, birthplace of Scottish Christianity, later a Benedictine abbey, burial place of early Scottish kings, and home of the Iona Community.
Ionian Islands
Ionian Islands (Heptanese): Greek island group off the country's west coast in the Ionian Sea, 2,300 km², about 210,000 people. Ruled by Venice, France, and Britain (United States of the Ionian Islands) before union with Greece in 1864.
Ireland
Ireland: large North Atlantic island west of Great Britain, divided between the Republic of Ireland and UK-administered Northern Ireland; 7.1 million people (2022), 70,000 km², temperate oceanic climate, ancient Iapetus-Ocean geology.
Isabela Island
Isabela Island, historically Albemarle Island, is the largest island of Ecuador's Galápagos archipelago: 4,670 km², formed by six shield volcanoes including Wolf (1,707 m), home to Puerto Villamil, giant tortoises, and Project Isabela's goat eradication.
Ischia
Ischia (Pithecoussai/Pithecusae) is a 46 km2 volcanic resurgent caldera island in the Gulf of Naples with 786 m Mount Epomeo, thermal spas, shallow damaging earthquakes (1883, 2017), and the oldest Greek settlement in the western Mediterranean.
Isla Ángel de la Guarda
Isla Ángel de la Guarda (Archangel Island) is an uninhabited volcanic island in the Gulf of California, Mexico, the Gulf's second largest at 936 km², separated from Baja California by the Canal de las Ballenas, reaching 1,318 m, with endemic reptiles and protected status.
Isla Benjamín
Isla Benjamín (Benjamin Island, Île Benjamin) is a 618 km² trapezoid-shaped island at the north of the Chonos Archipelago, Aysén Region, Chile, near Cisnes, mapped by Chile's IGM and surrounded by salmon aquaculture sectors.
Isla Campana
Isla Campana (Campana Island) is a 1,188 km² uninhabited island in Tortel commune, Capitán Prat province, Aysén, Chile, in the Guayeco Archipelago channels; first described by Ladrillero in 1557, partly within Katalalixar National Reserve. Distinct from Panama and Bolivia namesakes.
Isla Capitán Aracena
Isla Capitán Aracena (Aracena Island), an island of the Tierra del Fuego archipelago in Chile's Magallanes Region at 54°7′31″S, 71°25′17″W, elevation 231 m, in the western Strait of Magellan with salmon farms and the Capitán Aracena ophiolitic complex.
Isla Clarence
Isla Clarence (Clarence Island, Chile): island of the Tierra del Fuego archipelago in Chile's Magallanes Region, south of Brunswick Peninsula between the Strait of Magellan, Bárbara, and Cockburn Channels; within Kawésqar National Park; distinct from the Antarctic Clarence Island.
Isla Dawson
Isla Dawson (Dawson Island), Chilean island in the Strait of Magellan, Tierra del Fuego archipelago, 100 km south of Punta Arenas; site of a Salesian mission for deported Selk'nam (1889-1911) and a 1973-1974 political prisoner camp, now a naval base and national monument.
Isla de Aves
Isla de Aves (Aves Island) is Venezuela's northernmost point, a 375 m coral-sand cay in the Caribbean over 500 km from Margarita, confirmed Venezuelan by the 1865 Spanish arbitral award, and a major green sea turtle and seabird refuge.
Isla de los Estados
Isla de los Estados (Staten Island, Chuanisin) is a mountainous Argentine island east of Tierra del Fuego, discovered in 1616 by Schouten and Le Maire, a strict nature reserve holding 26% of the world's southern rockhopper penguins and the Lighthouse at the End of the World.
Isla del Sol
Isla del Sol, also called Isla Titicaca, is the largest island in Lake Titicaca in Bolivia, where Inca belief held the Sun was born and pilgrims gathered.
Isla Fernandina
Isla Fernandina (Narborough) is the westernmost, youngest, and third largest Galápagos island, an uninhabited shield volcano, La Cumbre (1,476 m), with frequent eruptions, pristine ecology, flightless cormorants, penguins, dense iguana colonies, and the rediscovered fantastic giant tortoise.