1,338 articles
Johnston Atoll
Johnston Atoll, an uninhabited U.S. Pacific atoll 716 nautical miles southwest of Honolulu, is a National Wildlife Refuge within the Pacific Islands Heritage Marine National Monument, formerly used for nuclear testing and chemical weapons disposal.
Joinville Island (landform)
Joinville Island (Islas Joinville), largest island of the Joinville archipelago at the northeastern tip of the Antarctic Peninsula, charted by d'Urville in 1838 and named after Prince de Joinville; geologically continuous with Trinity Peninsula.
Jonassen Island
Jonassen Island: Antarctic island about 2.5 mi long in the southern entrance to Antarctic Sound, off the NE Antarctic Peninsula tip. Formerly Irizar Island, renamed for Ole Jonassen of Nordenskjöld's Swedish expedition.
Juan Fernández Islands
Juan Fernández Islands: Chilean volcanic archipelago 650 km offshore, three islands (Robinson Crusoe, Alejandro Selkirk, Santa Clara), discovered 1574, famed for endemism, Selkirk castaway story, national park and biosphere reserve.
Jurien Island
Jurien Island is a small Antarctic island northeast of Cape Leguillou, Tower Island, Palmer Archipelago, charted and named Île Jurien by d'Urville's French expedition on 4-5 March 1838.
Jutland
Jutland, known in Danish as Jylland, is the northern European peninsula that forms mainland Denmark, bordered by the North Sea, the Skagerrak, and the Kattegat, and holding more than two-thirds of Denmark's land area.
K’gari
Fraser Island, officially named K'gari since 2023, is the world's largest sand island, lying off southern Queensland, Australia, and inscribed on the World Heritage List in 1992.
Kadavu Island
Kadavu Island is a volcanic island in southern Fiji, about 96 km south of Suva, generally the fourth largest in the group, known for the Great Astrolabe Reef and diving.
Kaffeklubben Island
Kaffeklubben Island, officially Inuit Qeqertaat, is a small moraine island off northern Greenland at 83°39′54″N, the world's northernmost land point, 713.5 km from the North Pole; rival islets such as Oodaaq proved to be stranded icebergs.
Kalymnos (Κάλυμνος)
Kalymnos (Κάλυμνος), Greek Dodecanese island between Kos and Leros, famed for sponge diving and over 3,500 rock climbing routes; area 111 km², capital Pothia, incorporated into Greece in 1948.
Kamchatka Peninsula (Полуостров Камчатка)
Kamchatka Peninsula (Полуостров Камчатка), a 1,200-km peninsula in the Russian Far East between the Pacific and Sea of Okhotsk; ~300 volcanoes (29 active), Klyuchevskaya Sopka 4,750 m, major salmon runs, UNESCO Volcanoes of Kamchatka site, and the 2025 M8.8 earthquake.
Kami-shima (island, Japan)
Kami-shima (神島) is a populated island where Ise Bay opens to the sea, off central Honshu, Japan, administered by Toba city in Mie Prefecture and home to 440 residents.
Kanaga Island
Kanaga Island, an uninhabited Andreanof island in Alaska's western Aleutians, hosts Kanaga Volcano, a 1,307 m andesitic stratovolcano within the collapsed Mount Kanaton caldera, erupting as recently as 1993-95 and 2023.
Kangaroo Island
Kangaroo Island (Karta, Island of the Dead) is a 4,405 km² island off South Australia, third largest of Australia's islands, first settled by the South Australian Company in 1836, devastated by 2019–20 bushfires.
Kanin Peninsula
Kanin Peninsula (полуостров Канин), tundra peninsula in Nenets Autonomous Okrug, NW Russia, between the White and Barents Seas; Timan Ridge extension, discontinuous permafrost, reindeer herding, Cape Kanin Nos.
Karaginsky Island
Ostrov Karaginskiy, also known as Karaginsky Island, is an uninhabited island in the Karaginsky Gulf of the western Bering Sea off northeastern Kamchatka, from which the Litke Strait separates it.
Karelin Islands
Karelin Islands (Islas Uribe, Spanish Karelin, islotes) are small Antarctic islands at 65°35'S 65°35'W in the Biscoe Islands area, east of Renaud Island, near Grandidier Channel.
Kathiawar
Kathiawar, also known as Saurashtra, is a peninsula in southwestern Gujarat, India, bounded by the Arabian Sea, the Gulf of Khambhat, and the Ranns of Kachchh, and home to Gir National Park's wild lions.
Kauai
Kauai (Kauaʻi), oldest of the main Hawaiian Islands, a volcanic island whose volcanism ended about 3.8 million years ago; fourth largest, 73,298 residents (2020), home to Waimea Canyon and the Na Pali coast cliffs.
Kemp Peninsula (landform)
Kemp Peninsula (Poluostrov Kemp) is an ice-covered peninsula, not an undersea feature, on the east coast of Palmer Land, Antarctica, between Mason and Mossman Inlets; named for marine biologist Stanley W. Kemp.
Kent Rock
Kent Rock is a small island (49 m elevation) off the south western shore of Cape Barren Island, Furneaux area, Tasmania, Australia; a navigation channel beside it leads to a recognised anchorage, and it appears on chart Aus 798.
Kerguelen Islands
Kerguelen Islands (Îles Kerguelen), French sub-Antarctic archipelago in the southern Indian Ocean, TAAF district; ~7,215 km², Mont Ross 1,850 m, discovered 1772, annexed 1893, station Port-aux-Français (1950), no permanent population.
Kermadec Islands
Kermadec Islands (Rangitāhua): subtropical volcanic New Zealand island group 800–1,000 km northeast of the North Island. Largest island Raoul (29 km²); 1990 no-take marine reserve of 748,000 ha; annexed 1887; research-only access.
Key West
Key West (Cayo Hueso) is a Florida city on the westernmost major Florida Keys island, incorporated 1828, county seat of Monroe County, population 26,444 (2020), home of the 1982 Conch Republic secession and a tropical-maritime climate with no recorded frost.
Khao Phing Kan (เขาพิงกัน)
Khao Phing Kan (เขาพิงกัน), also called James Bond Island, is a twin limestone island in Phang Nga Bay, Thailand, beside the 20-metre sea stack Ko Tapu, made famous by the 1974 film The Man with the Golden Gun.
Kiawah Island, South Carolina
Kiawah Island is a barrier island in Charleston County, South Carolina, south of Charleston between the Stono and North Edisto Rivers. A plantation island turned resort community, it was sold in 1974 for $17.4 million and incorporated as a town in 1988.
Kii Peninsula
The Kii Peninsula (紀伊半島) is Honshu's largest peninsula, spanning Wakayama, Nara, and Mie prefectures, home to the UNESCO-listed Kumano Kodo pilgrimage routes and the Kii Mountains, above the Nankai subduction zone.
King Christian Island
King Christian Island: uninhabited island in the Sverdrup Islands, Queen Elizabeth Islands, Qikiqtaaluk Region, Nunavut, Canada, at 77°48′N 101°40′W off Ellef Ringnes Island; official name since 1924, mapped geologically in GSC Memoir 386, namesake of the Early Jurassic King Christian Formation.
King Edward VII Land
King Edward VII Land, or Edward VII Peninsula, is an ice-covered peninsula at the NW extremity of Marie Byrd Land, Antarctica, at 77°40'S 155°W. Discovered by Scott's 1902 expedition and named for King Edward VII; its peninsular shape was proven by Byrd's 1933-35 and 1939-41 expeditions.
King George Island (landform)
King George Island, largest of the South Shetland Islands at 62°S 58°W near the Antarctic Peninsula, about 90 percent glaciated, discovered by William Smith in 1819, and hosting Antarctica's densest cluster of research stations.