The island castle, or insular castle, is a variation of the water castle. It is distinguished by its location on an artificial or natural island. It is a typical lowland castle. Because the island on which the castle was erected is separated from the shore by at least two bodies of water, artificial defences such as moats or shield walls were usually unnecessary if the castle was surrounded by flowing water. Such castles could therefore be very easily and cheaply built. Many island castles in lakes were, however, relatively easily captured in winter if there was an ice sheet thick enough to support attacking troops, because they were often rather poorly fortified.

European island castles

* The best-known island castle in Germany is

Pfalzgrafenstein Castle Pfalzgrafenstein Castle (), also known as the Pfalz, is a toll castle situated on Falkenau island in the Rhine River, adjacent to Kaub, Germany. First established in 1326/27 by Louis IV, Holy Roman Emperor, King Ludwig IV of Bavaria, it served ...

near Kaub,

Rhineland-Palatinate Rhineland-Palatinate ( , ; ; ; ) is a western state of Germany. It covers and has about 4.05 million residents. It is the ninth largest and sixth most populous of the sixteen states. Mainz is the capital and largest city. Other cities are ...

* The Chateau d'If is situated on the southern coast of France * The English counterpart to Mont-Saint-Michel is

St Michael's Mount St Michael's Mount (, meaning "Hoarfrost, hoar rock in woodland") is a tidal island in Mount's Bay near Penzance, Cornwall, England, United Kingdom. The island is a Civil parishes in England, civil parish and is linked to the town of Marazion ...

Cornwall Cornwall (; or ) is a Ceremonial counties of England, ceremonial county in South West England. It is also one of the Celtic nations and the homeland of the Cornish people. The county is bordered by the Atlantic Ocean to the north and west, ...

Piel Castle Piel Castle, also known as Fouldry Castle or the Pile of Fouldray, is a castle situated on the south-eastern point of Piel Island, off the coast of the Furness Peninsula in north-west England. Built in the early-14th century by John Cockerham, ...

was built on Piel Island of the coast of the Furness peninsula in England * Switzerland's iconic Chillon Castle sits on a small island on the eastern end of

Lake Geneva Lake Geneva is a deep lake on the north side of the Alps, shared between Switzerland and France. It is one of the List of largest lakes of Europe, largest lakes in Western Europe and the largest on the course of the Rhône. Sixty percent () ...

* The Aragonese Castle is situated in the

Gulf of Naples The Gulf of Naples (), also called the Bay of Naples, is a roughly 15-kilometer-wide (9.3 mi) gulf located along the south-western coast of Italy (Metropolitan City of Naples, Campania region). It opens to the west into the Mediterranean ...

* The only water castle in Europe that utilizes

Gothic architecture Gothic architecture is an architectural style that was prevalent in Europe from the late 12th to the 16th century, during the High Middle Ages, High and Late Middle Ages, surviving into the 17th and 18th centuries in some areas. It evolved f ...

is Trakai Castle in

Lithuania Lithuania, officially the Republic of Lithuania, is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea, bordered by Latvia to the north, Belarus to the east and south, P ...

Note: Mont-Saint-Michel in

Normandy Normandy (; or ) is a geographical and cultural region in northwestern Europe, roughly coextensive with the historical Duchy of Normandy. Normandy comprises Normandy (administrative region), mainland Normandy (a part of France) and insular N ...

is not a castle as many people believe, it is a fortified

monastery A monastery is a building or complex of buildings comprising the domestic quarters and workplaces of Monasticism, monastics, monks or nuns, whether living in Cenobitic monasticism, communities or alone (hermits). A monastery generally includes a ...

Island castles in South Asia

Though not entirely a castle, really consisting of a fort surrounding a palace,

Murud-Janjira Murud-Janjira () is the local name of a famous fort and tourist spot situated on an island just off the coastal town of Murud, Raigad, Murud, in the Raigad district of Maharashtra, India. Malik Ambar is credited with the construction of the Jan ...

is a famous island fortress off the Indian coast in the

Arabian Sea The Arabian Sea () is a region of sea in the northern Indian Ocean, bounded on the west by the Arabian Peninsula, Gulf of Aden and Guardafui Channel, on the northwest by Gulf of Oman and Iran, on the north by Pakistan, on the east by India, and ...

. The fortress is relatively unique in that the outermost defensive walls of the compound entirely encompass the island's natural land, thwarting any attacks using traditional amphibious landings.

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* * {{Fortifications Castles by type

Castle A castle is a type of fortification, fortified structure built during the Middle Ages predominantly by the nobility or royalty and by Military order (monastic society), military orders. Scholars usually consider a ''castle'' to be the private ...

European island castles

Island castles in South Asia

See also

References

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