A tidal island is a piece of land that is connected to the mainland by a natural or man-made

causeway A causeway is a track, road or railway on the upper point of an embankment across "a low, or wet place, or piece of water". It can be constructed of earth, masonry, wood, or concrete. One of the earliest known wooden causeways is the Sweet Tra ...

that is exposed at low

tide Tides are the rise and fall of sea levels caused by the combined effects of the gravity, gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide t ...

and submerged at high tide. Because of the mystique surrounding tidal islands, many of them have been sites of

religious worship Worship is an act of religious devotion usually directed towards a deity. It may involve one or more of activities such as veneration, adoration, praise, and praying. For many, worship is not about an emotion, it is more about a recognition ...

, such as

Mont-Saint-Michel Mont-Saint-Michel (; Norman: ''Mont Saint Miché''; ) is a tidal island and mainland commune in Normandy, France. The island lies approximately off the country's north-western coast, at the mouth of the Couesnon River near Avranches and i ...

with its

Benedictine , image = Medalla San Benito.PNG , caption = Design on the obverse side of the Saint Benedict Medal , abbreviation = OSB , formation = , motto = (English: 'Pray and Work') , foun ...

Abbey An abbey is a type of monastery used by members of a religious order under the governance of an abbot or abbess. Abbeys provide a complex of buildings and land for religious activities, work, and housing of Christian monks and nuns. The conce ...

. Tidal islands are also commonly the sites of

fortresses A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...

because of their natural fortifications.

List of tidal islands

Asia

Hong Kong

Ma Shi Chau Ma Shi Chau (, literally "Horse Dung Island") is an island of Hong Kong, under the administration of Tai Po District. It is located in Tolo Harbour in the northeast New Territories (near Sam Mun Tsai). It is connected with another island, Yi ...

Tai Po District Tai Po District is one of the 18 districts of Hong Kong. The suburban district covers the areas of Tai Po New Town (including areas such as Tai Po Market, , Tai Po Industrial Estate, Tai Wo Estate), Tai Po Tau, Tai Po Kau, Hong Lok Yuen, Ti ...

, northeastern

New Territories The New Territories is one of the three main regions of Hong Kong, alongside Hong Kong Island and the Kowloon Peninsula. It makes up 86.2% of Hong Kong's territory, and contains around half of the population of Hong Kong. Historically, it ...

, within the

Tolo Harbour Tolo Harbour, or Tai Po Hoi (, historically ) is a sheltered harbour in northeast New Territories of Hong Kong. Geography Tide Cove aka. Sha Tin Hoi is to the south of the harbour, and Plover Cove, Three Fathoms Cove and Tolo Channel are to ...

*Kiu Tau Island in Sai Kung

Iran

* Naaz islands in

Persian gulf The Persian Gulf ( fa, خلیج فارس, translit=xalij-e fârs, lit=Gulf of Persis, Fars, ), sometimes called the ( ar, اَلْخَلِيْجُ ٱلْعَرَبِيُّ, Al-Khalīj al-ˁArabī), is a Mediterranean sea (oceanography), me ...

, southern seashore of Qeshm island

Japan

Enoshima is a small offshore island, about in circumference, at the mouth of the Katase River which flows into the Sagami Bay of Kanagawa Prefecture, Japan. Administratively, Enoshima is part of the mainland city of Fujisawa, and is linked to ...

, in

Sagami Bay lies south of Kanagawa Prefecture in Honshu, central Japan, contained within the scope of the Miura Peninsula, in Kanagawa, to the east, the Izu Peninsula, in Shizuoka Prefecture, to the west, and the Shōnan coastline to the north, while th ...

Kanagawa Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-densest at . Its geographic area of makes it fifth-smallest. Kana ...

Taiwan

* Kueibishan in

Penghu The Penghu (, Hokkien POJ: ''Phîⁿ-ô͘'' or ''Phêⁿ-ô͘'' ) or Pescadores Islands are an archipelago of 90 islands and islets in the Taiwan Strait, located approximately west from the main island of Taiwan, covering an area ...

Jiangong Islet The Jiangong Islet () (also Jiangong Yu, United States National Geospatial-Intelligence Agency) is a tidal island in Jincheng Township, Kinmen County, Fujian Province, Republic of China (Taiwan). History The islet was originally named Chu Islet ...

Kinmen Kinmen, alternatively known as Quemoy, is a group of islands governed as a county by the Republic of China (Taiwan), off the southeastern coast of mainland China. It lies roughly east of the city of Xiamen in Fujian, from which it is separate ...

South Korea

Jindo Island Jindo Island is the third largest island in South Korea. Together with a group of much smaller islands, it forms Jindo County. It is located in South Jeolla province, just off the southwest corner of the Korean peninsula. The island is separated ...

and Modo Island in southwest

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...

Jebudo Jebudo is an island in South Korea, located in Jebu-ri, Seosin-myeon, Hwaseong-si, Gyeonggi-do. It is connected to Songgyo-ri, Seosin-myeon, Hwaseong-si, Keonggi-do by a two-lane road, but it is impassable twice a day for three to four hours, d ...

in the west

Europe

Denmark

Mandø Mandø () is one of the Danish Wadden Sea islands off the southwest coast of Jutland, Denmark in the Wadden Sea, part of the North Sea. The island covers an area of and had 40 inhabitants in January 2018. The island is part of Esbjerg Municipal ...

Island – on Denmark's western coast * Knudshoved Island – north of

Vordingborg Vordingborg () is an old ferry town in Vordingborg Municipality in Denmark with around 18,000 inhabitants. Because of three large estates surrounding the town, a coherent urban development has not been possible, which is the reason why three sat ...

on southern

Zealand Zealand ( da, Sjælland ) at 7,031 km2 is the largest and most populous island in Denmark proper (thus excluding Greenland and Disko Island, which are larger in size). Zealand had a population of 2,319,705 on 1 January 2020. It is the 1 ...

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Danish Realm, Kingdom of Denmark ...

Denmark/Germany

* The

Halligen The ''Halligen'' (German, singular ''Hallig'', ) or the ''halliger'' (Danish, singular ''hallig'') are small islands without protective dikes. They are variously pluralized in English as the Halligen, Halligs, Hallig islands, or Halligen islands. ...

in the

North Frisian Islands The North Frisian Islands (''Öömrang'' and '' Fering'' frr, Nuurdfresk Eilunen, ''Söl'ring'' frr, Nuurđfriisk Ailönen, link=no, da, Nordfrisiske Øer, german: Nordfriesische Inseln) are the Frisian Islands off the coast of North Frisia. T ...

, Denmark/Germany

France

* Île Aganton in Brittany *

Île Madame Île Madame () is an island in the Charente estuary on the Atlantic coast of France joined to the mainland by a causeway. The island has an area of four square miles and is unpopulated. It is part of the town Port-des-Barques. Hundreds of Cathol ...

Charente-Maritime Charente-Maritime () is a department in the Nouvelle-Aquitaine region on the southwestern coast of France. Named after the river Charente, its prefecture is La Rochelle. As of 2019, it had a population of 651,358 with an area of 6,864 square kil ...

Île de Noirmoutier Noirmoutier (also French language, French: Île de Noirmoutier, ; br, Nervouster, ) is a tidal island off the Atlantic Ocean, Atlantic coast of France in the Vendée Departments of France, department (85). History Noirmoutier was the locatio ...

Vendée Vendée (; br, Vande) is a department in the Pays de la Loire region in Western France, on the Atlantic coast. In 2019, it had a population of 685,442.

* Mont Saint-Michel in

Normandy Normandy (; french: link=no, Normandie ; nrf, Normaundie, Nouormandie ; from Old French , plural of ''Normant'', originally from the word for "northman" in several Scandinavian languages) is a geographical and cultural region in Northwestern ...

Tombelaine Tombelaine is a small tidal island off the coast of Normandy in France. It lies a few kilometres north of Mont Saint-Michel. At low tide the island can be reached on foot (with a guide) from the coast of Cotentin, to the northeast, and from Mon ...

in Normandy

Germany

* The

Neuwerk Neuwerk (; (''Archaic English'': New Werk or Newark) is a tidal island in the Wadden Sea on the German North Sea coast, with a population of 32. Neuwerk is located northwest of Cuxhaven, between the Weser and Elbe estuaries. The distance to t ...

in the

Wadden Sea The Wadden Sea ( nl, Waddenzee ; german: Wattenmeer; nds, Wattensee or ; da, Vadehavet; fy, Waadsee, longname=yes; frr, di Heef) is an intertidal zone in the southeastern part of the North Sea. It lies between the coast of northwestern conti ...

Guernsey

Lihou Lihou () is a small tidal island located just off the west coast of the island of Guernsey, in the English Channel, between Great Britain and France. Administratively, Lihou forms part of the Parish of St. Peter's in the Bailiwick of Guernsey, ...

Guernsey Guernsey (; Guernésiais: ''Guernési''; french: Guernesey) is an island in the English Channel off the coast of Normandy that is part of the Bailiwick of Guernsey, a British Crown Dependency. It is the second largest of the Channel Islands ...

, one of the

Channel Islands The Channel Islands ( nrf, Îles d'la Manche; french: îles Anglo-Normandes or ''îles de la Manche'') are an archipelago in the English Channel, off the French coast of Normandy. They include two Crown Dependencies: the Bailiwick of Jersey, ...

Iceland

Grótta in

Seltjarnarnes Seltjarnarnes () is a town in the Capital Region of Iceland. Seltjarnarnes is beside Reykjavik. It took on its current political form shortly after the Second World War and was formally created as a township in 1947. It is the smallest Icelandic ...

, the

Capital Region A capital region, also called a capital district or capital territory, is a region or district surrounding a capital city. It is not always the official term for the region, but may sometimes be used as an informal synonym. Capital regions can exis ...

Ireland

Coney Island Coney Island is a peninsular neighborhood and entertainment area in the southwestern section of the New York City borough of Brooklyn. The neighborhood is bounded by Brighton Beach and Manhattan Beach, Brooklyn, Manhattan Beach to its east, L ...

near

Rosses Point The Rosses (officially known by its Irish language name, ''Na Rosa''; in the genitive case ''Na Rosann'') is a geographical and social region in the west of County Donegal, Ireland, with a population of over 7,000 centred on the town of Dungloe, ...

County Sligo County Sligo ( , gle, Contae Shligigh) is a county in Ireland. It is located in the Border Region and is part of the province of Connacht. Sligo is the administrative capital and largest town in the county. Sligo County Council is the local ...

Omey Island Omey Island ( ga, Iomaidh) is a tidal island situated near Claddaghduff on the western edge of Connemara in County Galway, Ireland. From the mainland the island is almost hidden. It is possible to drive or walk across a large sandy strand to th ...

Connemara Connemara (; )( ga, Conamara ) is a region on the Atlantic Ocean, Atlantic coast of western County Galway, in the west of Ireland. The area has a strong association with traditional Irish culture and contains much of the Connacht Irish-speak ...

County Galway "Righteousness and Justice" , anthem = () , image_map = Island of Ireland location map Galway.svg , map_caption = Location in Ireland , area_footnotes = , area_total_km2 = ...

Inishkeel Inishkeel () is a small tidal island and a townland off the coast of County Donegal, Ireland. The closest village on the mainland is Narin. Geography The island is located in Gweebarra Bay around 250 m from the coast. A sandy tidal bank ...

County Donegal County Donegal ( ; ga, Contae Dhún na nGall) is a county of Ireland in the province of Ulster and in the Northern and Western Region. It is named after the town of Donegal in the south of the county. It has also been known as County Tyrconne ...

Italy

* Isola Grande,

Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...

Jersey

Elizabeth Castle Elizabeth Castle () is a castle and tourist attraction, on a tidal island within the parish of Saint Helier, Jersey. Construction was started in the 16th century when the power of the cannon meant that the existing stronghold at Mont Orgueil wa ...

Jersey Jersey ( , ; nrf, Jèrri, label=Jèrriais ), officially the Bailiwick of Jersey (french: Bailliage de Jersey, links=no; Jèrriais: ), is an island country and self-governing Crown Dependencies, Crown Dependency near the coast of north-west F ...

, a castle off the south coast accessible on foot at low tide * Saint Aubin's Fort * La Corbière Lighthouse *

La Motte, Jersey La Motte is a tidal island, and listed archaeological site, also known as Green Island, located in the Vingtaine de Samarès in the parish of St Clement on the south-east coast of Jersey, Channel Islands. There is evidence of human visits to th ...

, alias Green Island * L'Avarison, which hosts

Seymour Tower Seymour Tower is a coastal defence tower built on a rocky tidal island called L'Avarison, located 2 km (1.25 miles) east of the shoreline of Jersey, an area included in Jersey's South-East coast Ramsar site. Acquired by Jersey Heritage i ...

* Archirondel Tower, now connected via permanent causeway *

Icho Tower Icho or ICHO or IChO may refer to: * International Chemistry Olympiad The International Chemistry Olympiad (IChO) is an annual academic competition for high school students. It is one of the International Science Olympiads. The first IChO was held ...

* Portelet Tower

Spain

Cortegada Island Cortegada is an almost tidal island (it is possible to go walking when the lowest tides happen, but a small amount of water flow does not disappear) in a coastal inlet near Pontevedra in Galicia, Spain. It is part of the Atlantic Islands of Galici ...

Pontevedra Pontevedra (, ) is a Spanish city in the north-west of the Iberian Peninsula. It is the capital of both the ''Comarca'' (County) and Province of Pontevedra, and of the Rías Baixas in Galicia. It is also the capital of its own municipality whi ...

coast, Galicia. * San Nikolas Island in

Lekeitio Lekeitio (; es, Lequeitio) is a town and municipality located in the province of Biscay, in the Spanish Autonomous Community of Basque Country, northeast from Bilbao. The municipality has 7,307 inhabitants (2019) and is one of the most importa ...

, Bizkaia

United Kingdom

Rough Island from Tornat Wood - geograph

=England

= * Asparagus Island, Mount's Bay,

Cornwall Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlantic ...

Burgh Island Burgh Island is a tidal island on the coast of South Devon in England near the small seaside village of Bigbury-on-Sea. There are several buildings on the island, the largest being the Art Deco Burgh Island Hotel. The other buildings are thr ...

Devon Devon ( , historically known as Devonshire , ) is a ceremonial and non-metropolitan county in South West England. The most populous settlement in Devon is the city of Plymouth, followed by Devon's county town, the city of Exeter. Devon is ...

Burrow Island Burrow Island (also known as 'Rat Island') is a tidal island in Gosport, United Kingdom. The island overlooks Portsmouth harbour. At low tide a spit connects it with Priddy's Hard. It has been suggested that the name dates from the 17th centu ...

Portsmouth Harbour Portsmouth Harbour is a biological Site of Special Scientific Interest between Portsmouth and Gosport in Hampshire. It is a Ramsar site and a Special Protection Area. It is a large natural harbour in Hampshire, England. Geographically it i ...

Chapel Island Chapel Island is a limestone outcrop that lies in the Leven estuary of Morecambe Bay in England, less than from the shoreline at Bardsea in the area known as Ulverston Sands. It is located at ( OS grid ref. SD 321759). It is one of the Islan ...

Cumbria Cumbria ( ) is a ceremonial and non-metropolitan county in North West England, bordering Scotland. The county and Cumbria County Council, its local government, came into existence in 1974 after the passage of the Local Government Act 1972. Cumb ...

Chiswick Eyot Chiswick Eyot is a narrow, uninhabited ait (river island) of the Thames. It is a tree- and reed-covered rise on the Tideway by Chiswick, in London, England and is overlooked by Chiswick Mall and by some of the Barnes riverside on the far b ...

in the

River Thames The River Thames ( ), known alternatively in parts as the The Isis, River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the Longest rivers of the United Kingdom, se ...

in London *

Gugh Gugh (; kw, Keow, meaning "hedge banks") could be described as the sixth inhabited island of the Isles of Scilly, but is usually included with St Agnes with which it is joined by a sandy tombolo known as "The Bar" when exposed at low tide. The ...

in the

Isles of Scilly The Isles of Scilly (; kw, Syllan, ', or ) is an archipelago off the southwestern tip of Cornwall, England. One of the islands, St Agnes, is the most southerly point in Britain, being over further south than the most southerly point of the ...

(joined to St Agnes at low tide) *

Hilbre Island The Hilbre Islands ( ) are an archipelago consisting of three islands at the mouth of the estuary of the River Dee, the border between England and Wales at this point. The islands are administratively part of the Metropolitan Borough of Wirra ...

, Middle Eye and Little Eye in the River Dee

estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environment ...

, between

North Wales , area_land_km2 = 6,172 , postal_code_type = Postcode , postal_code = LL, CH, SY , image_map1 = Wales North Wales locator map.svg , map_caption1 = Six principal areas of Wales common ...

and the English Wirral, but administratively in England. *

Horsey Island Horsey Island is an island in the parish of Thorpe-le-Soken, Essex. It lies in Hamford Water and is part of the Hamford Water National Nature Reserve, managed by Natural England. Permission is required to visit. Geography The western section o ...

Essex Essex () is a county in the East of England. One of the home counties, it borders Suffolk and Cambridgeshire to the north, the North Sea to the east, Hertfordshire to the west, Kent across the estuary of the River Thames to the south, and G ...

Lindisfarne Lindisfarne, also called Holy Island, is a tidal island off the northeast coast of England, which constitutes the civil parish of Holy Island in Northumberland. Holy Island has a recorded history from the 6th century AD; it was an important ...

Northumberland Northumberland () is a county in Northern England, one of two counties in England which border with Scotland. Notable landmarks in the county include Alnwick Castle, Bamburgh Castle, Hadrian's Wall and Hexham Abbey. It is bordered by land on ...

Mersea Island Mersea Island is an island in Essex, England, in the Blackwater and Colne estuaries to the south-east of Colchester. Its name comes from the Old English word ''meresig'', meaning "island of the pool" and thus is tautological. The island is s ...

, Essex (accessible to road traffic via the Strood) *

Northey Island Northey Island is an island in the estuary of the River Blackwater, Essex. It is linked to the south bank of the river by a causeway, covered for two hours either side of high tide. The island is approximately 1 mile (2 km) to the eas ...

, Essex *

Osea Island Osea Island ( oe, Ōsgȳþes īeg, "Osyth's island"), formerly also Osey, is an inhabited island in the estuary of the River Blackwater, Essex, East England. It is approximately in size and is connected to the north bank of the river by a cau ...

, Essex *

Piel Island Piel Island lies in Morecambe Bay , around off the southern tip of the Furness peninsula in the administrative county of Cumbria, England. It is one of the Islands of Furness, three of which sit near to Piel at the mouth of Walney Channel. Th ...

, Cumbria *

Scolt Head Island Scolt Head Island is an offshore barrier island between Brancaster and Wells-next-the-Sea in north Norfolk. It is in the parish of Burnham Norton and is accessed by a seasonal ferry from the village of Burnham Overy, Overy Staithe. The shingle be ...

, Norfolk * Sheep Island,

(joined at low tide to Piel Island and to Walney Island) * St Mary's Island,

North Tyneside North Tyneside is a metropolitan borough in the metropolitan county of Tyne and Wear, England. It forms part of the greater Tyneside conurbation. North Tyneside Council is headquartered at Cobalt Park, Wallsend. North Tyneside is bordered ...

St Michael's Mount St Michael's Mount ( kw, Karrek Loos yn Koos, meaning " hoar rock in woodland") is a tidal island in Mount's Bay, Cornwall, England, United Kingdom. The island is a civil parish and is linked to the town of Marazion by a causeway of granite se ...

* White Island, Isles of Scilly and

St Martin's, Isles of Scilly St Martin's ( kw, Brechiek, meaning "dappled island") is the northernmost populated island of the Isles of Scilly, England. It has an area of . Description There are three main settlements on the island - Higher Town, Middle Town and Lower ...

=Northern Ireland

Guns_Island_from_Ballyhornan_Bay_at_low_tide

Nendrum Monastery Nendrum Monastery was a Christian monastery on Mahee Island in Strangford Lough, County Down, Northern Ireland. Medieval records say it was founded in the 5th century, but this is uncertain. The monastery came to an end at some time between 974 ...

on Mahee Island,

Strangford Lough Strangford Lough (from Old Norse ''Strangr Fjörðr'', meaning "strong sea-inlet"PlaceNames N ...

*Guns Island, near Ballyhornan

=Scotland

= *

Baleshare Baleshare ( gd, Baile Sear) is a flat tidal island in the Outer Hebrides of Scotland. Baleshare lies to the south-west of North Uist. Its economics and community were boosted by the building of a causeway in 1962. The causeway was built by Wil ...

in the

Outer Hebrides The Outer Hebrides () or Western Isles ( gd, Na h-Eileanan Siar or or ("islands of the strangers"); sco, Waster Isles), sometimes known as the Long Isle/Long Island ( gd, An t-Eilean Fada, links=no), is an island chain off the west coast ...

, joined to

North Uist North Uist ( gd, Uibhist a Tuath; sco, North Uise) is an island and community in the Outer Hebrides of Scotland. Etymology In Donald Munro's ''A Description of the Western Isles of Scotland Called Hybrides'' of 1549, North Uist, Benbecula and ...

Bernera Island Bernera Island ( gd, Beàrnaraigh) or simply Bernera is a tidal island off Lismore, in Argyll, Scotland. History In the 6th century, Bernera was settled by monks of the Irish Culdee church under the leadership of St. Moluag. St. Columba used ...

, joined to Lismore *

Brough of Birsay The Brough of Birsay is an uninhabited tidal island off the north-west coast of The Mainland of Orkney, Scotland, in the parish of Birsay. It is located around 13 miles north of Stromness and features the remains of Pictish and Norse settlem ...

Orkney Orkney (; sco, Orkney; on, Orkneyjar; nrn, Orknøjar), also known as the Orkney Islands, is an archipelago in the Northern Isles of Scotland, situated off the north coast of the island of Great Britain. Orkney is 10 miles (16 km) north ...

, joined to

Orkney Mainland The Mainland, also known as Hrossey and Pomona, is the main island of Orkney, Scotland. Both of Orkney's burghs, Kirkwall and Stromness, lie on the island, which is also the heart of Orkney's ferry and air connections. Seventy-five per cent of O ...

Castle Stalker Castle Stalker ( gd, Caisteal an Stalcaire) is a four-storey tower house or keep. It is set on a tidal islet on Loch Laich, an inlet off Loch Linnhe. It is about north-east of Port Appin, Argyll, Scotland, and is visible from the A828 road a ...

on Loch Laich in

Argyll Argyll (; archaically Argyle, in modern Gaelic, ), sometimes called Argyllshire, is a historic county and registration county of western Scotland. Argyll is of ancient origin, and corresponds to most of the part of the ancient kingdom of ...

Cramond Island Cramond Island (Scottish Gaelic: ''Eilean Chathair Amain'') is one of several islands in the Firth of Forth in eastern Scotland, near Edinburgh. It lies off the foreshore at Cramond. It is long and covers .Wilson, Rev. John ''The Gazetteer o ...

in the

Firth of Forth The Firth of Forth () is the estuary, or firth, of several Scottish rivers including the River Forth. It meets the North Sea with Fife on the north coast and Lothian on the south. Name ''Firth'' is a cognate of ''fjord'', a Norse word meani ...

Island Davaar Island Davaar or Davaar Island ( gd, Eilean Dà Bhàrr) is located at the mouth of Campbeltown Loch off the east coast of Kintyre, in Argyll and Bute, Scotland. It is a tidal island, linked to the mainland by a natural Shingle beach, shingle cau ...

near

Campbeltown Campbeltown (; gd, Ceann Loch Chille Chiarain or ) is a town and former royal burgh in Argyll and Bute, Scotland. It lies by Campbeltown Loch on the Kintyre peninsula. Campbeltown became an important centre for Scotch whisky, and a busy fishing ...

, off the

Kintyre Kintyre ( gd, Cinn Tìre, ) is a peninsula in western Scotland, in the southwest of Argyll and Bute. The peninsula stretches about , from the Mull of Kintyre in the south to East and West Loch Tarbert in the north. The region immediately north ...

peninsula *

Eilean Fladday Eilean Fladday (also Fladda) is a previously populated tidal island off Raasay, near the Isle of Skye, Scotland. Geography Eilean Fladday lies off the north west coast of Raasay, across Caol Fladday (Kyle Fladda), which dries at half-tide. On ...

and

Eilean Tigh Eilean Tigh ( gd, Eilean Taighe) is a tidal island in the Sound of Raasay of Scotland, that lies between Rona and Raasay. Approximately in extent, the island was once settled and the ruins of various structures are still visible at the south ...

off the Isle of Raasay *

Eilean Shona Eilean Shona ( gd, Eilean Seòna) is a tidal island in Loch Moidart, Scotland. The modern name may be from the Old Norse for "sea island". The pre-Norse Gaelic name, as recorded by Adomnán was or , meaning 'foreshore island', similar to the d ...

Loch Moidart Loch Moidart is a sea loch (sea inlet) in the district of Moidart in Highland, Scotland. It is on the west coast of Scotland, and runs about 8 km (5 miles) eastward from the sea. It is connected to the sea by two narrow channels which are se ...

Lochaber Lochaber ( ; gd, Loch Abar) is a name applied to a part of the Scottish Highlands. Historically, it was a provincial lordship consisting of the parishes of Kilmallie and Kilmonivaig, as they were before being reduced in extent by the creation ...

Highland Highlands or uplands are areas of high elevation such as a mountainous region, elevated mountainous plateau or high hills. Generally speaking, upland (or uplands) refers to ranges of hills, typically from up to while highland (or highlands) is ...

* Eilean Tioram, in

Erraid Erraid ( gd, Eilean Earraid) is a tidal island approximately square located in the Inner Hebrides of Scotland. It lies west of Mull (to which it is linked by a beach at low tide) and southeast of Iona. The island receives about of rainWalker, A ...

off the

Isle of Mull The Isle of Mull ( gd, An t-Eilean Muileach ) or just Mull (; gd, Muile, links=no ) is the second-largest island of the Inner Hebrides (after Skye) and lies off the west coast of Scotland in the Council areas of Scotland, council area of Arg ...

Hestan Island Hestan Island is a small coastal island at the southern foot of the River Urr estuary in the Solway Firth, in the historical county of Kirkcudbrightshire, Scotland. This small island measures approximately and at its highest elevation sits at j ...

near Rough Island in Auchencairn Bay *

Islands of Fleet The Islands of Fleet are a group of small islands in Galloway, Scotland. They are in Fleet Bay, which is part of Wigtown Bay, and is in turn part of the Solway Firth in the Irish Sea. There are three main islands. * Murray Isles, owned by the Na ...

: Ardwall Isle and Barlocco Isle in

Galloway Galloway ( ; sco, Gallowa; la, Gallovidia) is a region in southwestern Scotland comprising the historic counties of Wigtownshire and Kirkcudbrightshire. It is administered as part of the council area of Dumfries and Galloway. A native or i ...

Isle Ristol Isle Ristol, the innermost of the Summer Isles in Scotland, is a Scottish Wildlife Trust Reserve. Lying roughly north of Ullapool in Wester Ross, it is a tidal island, in Loch an Alltain Duibh, that is separated by a narrow channel from Old ...

, the innermost of the Summer Isles *

Kili Holm Kili Holm is a tidal island in the Orkney Islands, linked to Egilsay. Unusually, like its neighbour Egilsay, it may have a partly Gaelic etymology,Anderson, Joseph (Ed.) (1893) ''Orkneyinga Saga''. Translated by Jón A. Hjaltalin & Gilbert Goud ...

, joined to

Egilsay Egilsay (, sco, Egilsay) is one of the Orkney Islands in Scotland, lying east of Rousay. The island is largely farmland and is known for its corncrakes and St Magnus Church, dedicated or re-dedicated to Saint Magnus, who was killed on the is ...

Oronsay This is a list of islands called Oronsay (Scottish Gaelic: '), which provides an index for islands in Scotland with this and similar names. It is one of the more common names for Scottish islands. The names come from ''Örfirisey'' which transla ...

in the

Inner Hebrides The Inner Hebrides (; Scottish Gaelic: ''Na h-Eileanan a-staigh'', "the inner isles") is an archipelago off the west coast of mainland Scotland, to the south east of the Outer Hebrides. Together these two island chains form the Hebrides, whic ...

, joined to

Colonsay Colonsay (; gd, Colbhasa; sco, Colonsay) is an island in the Inner Hebrides of Scotland, located north of Islay and south of Mull. The ancestral home of Clan Macfie and the Colonsay branch of Clan MacNeil, it is in the council area of Argy ...

Orosay Orosay ( gd, Orasaigh) is a small uninhabited tidal island in the Sound of Barra lying at the north end of Traigh Mhòr, the "big beach" on the north east coast of Barra. It is one of ten islands in the Sound of Barra, a Site of Community Impo ...

in the

, joined to

Barra Barra (; gd, Barraigh or ; sco, Barra) is an island in the Outer Hebrides, Scotland, and the second southernmost inhabited island there, after the adjacent island of Vatersay to which it is connected by a short causeway. The island is name ...

* Rough Island opposite

Rockcliffe, Dumfries & Galloway Rockcliffe is a small, coastal village in Kirkcudbrightshire, Dumfries and Galloway in Scotland, with a view of Rough Island, Hestan Island, the Solway Firth and sometimes the Cumbrian coast. Rockcliffe lies on the eastern side of the River Urr ...

Vallay Vallay ( gd, Bhàlaigh) is an uninhabited tidal island in the Scottish Outer Hebrides. It can be reached from North Uist by a long beach at low tide. Once the island supported a population of nearly sixty people. Its best-known inhabitant w ...

(Bhàlaigh), joined to

in the

=Wales

= *

Burry Holms Burry Holms () ( cy, Ynys Lanwol), a tidal island with the height of () is at the northern end of Rhossili Bay in the Gower Peninsula, Wales. During spring and summer, Burry Holms is covered by flowers such as thrift and sea campion. Etymol ...

off the

Gower Gower ( cy, Gŵyr) or the Gower Peninsula () in southwest Wales, projects towards the Bristol Channel. It is the most westerly part of the historic county of Glamorgan. In 1956, the majority of Gower became the first area in the United Kingdom ...

Cribinau Cribinau is a small tidal island off the south west coast of the isle of Anglesey in Wales between Porth China and Porth Cwyfan. The island is in Aberffraw Community, about west of Aberffraw village. The island can be reached on foot at low ti ...

off

Anglesey Anglesey (; cy, (Ynys) Môn ) is an island off the north-west coast of Wales. It forms a principal area known as the Isle of Anglesey, that includes Holy Island across the narrow Cymyran Strait and some islets and skerries. Anglesey island ...

Gateholm Gateholm or Gateholm Island is a small tidal island off the south west coast of Pembrokeshire, in the community of Marloes and St Brides, in the south west side of Wales, in the west of the UK, and about 8 miles (13 km) west of the port of ...

off the south west coast of Pembrokeshire *

Ynys Llanddwyn Ynys Llanddwyn (also known as Llanddwyn Island) is a small tidal island off the west coast of Anglesey (Welsh language, Welsh: Ynys Môn), northwest Wales. The nearest settlement is the village of Newborough, Anglesey, Newborough. Geology and g ...

off

Mumbles Lighthouse Mumbles Lighthouse, completed in 1794, is a lighthouse located in Mumbles, near Swansea. The structure, which sits on the outer of two islands off Mumbles Head, is clearly visible from any point along the five mile sweep of Swansea Bay. Along ...

located in Mumbles, near Swansea *

St Catherine's Island St Catherine's Island (Welsh: ''Ynys Catrin'') is a small tidal island linked to Tenby in Pembrokeshire, Wales, by Castle beach at low tide. The island, which is known colloquially as St Catherine's Rock, is the location of St Catherine's Fort. ...

Pembrokeshire Pembrokeshire ( ; cy, Sir Benfro ) is a Local government in Wales#Principal areas, county in the South West Wales, south-west of Wales. It is bordered by Carmarthenshire to the east, Ceredigion to the northeast, and the rest by sea. The count ...

* Sully Island in the

Vale of Glamorgan The Vale of Glamorgan ( cy, Bro Morgannwg ), often referred to as The Vale, is a county borough in the south-east of Wales. It borders Bridgend County Borough to the west, Cardiff to the east, Rhondda Cynon Taf to the north, and the Bristol C ...

Worm's Head Worm's Head ( cy, Ynys Weryn) is a headland, at Rhossili, part of the City and County of Swansea, Wales. It is the furthest westerly point of the Gower Peninsula. The name Worm's Head is derived from an Old English word 'wyrm' for 'sea serpent ...

at the end of the

* Ynys Cantwr off

Ramsey Island Ramsey Island (Welsh: ''Ynys Dewi'') is an island about off St David's Head in Pembrokeshire on the northern side of St Brides Bay, in southwest Wales, in the community of St Davids and the Cathedral Close. It is in area. Ramsey means (in Old ...

, Pembrokeshire *

Ynys Feurig Ynys Feurig (also spelt Ynys Feirig) is the name for a set of three small inter-connected low-lying inshore tidal rocky islets (3.1 ha in extent), lying off from the west coast of Anglesey, North Wales, just north of the village of Rhosneigr and s ...

off

Ynys Gifftan Ynys Gifftan is an island near the south east shore of Traeth Bach, the Dwyryd estuary near Portmeirion in Gwynedd, north Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, ...

Gwynedd Gwynedd (; ) is a county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the north-west of Wales. It shares borders with Powys, Conwy County Borough, Denbighshire, Anglesey over the Menai Strait, and C ...

, north Wales * Ynys Gwelltog off

, Pembrokeshire * Ynys Lochtyn on the coast of Cardigan Bay 43 (unbridged) tidal islands can be walked to from the UK mainland.

North America

Canada

*Finisterre Island off of

Bowen Island Bowen Island (originally Nex̱wlélex̱m in Sḵwx̱wú7mesh), British Columbia, is an island municipality that is part of Metro Vancouver. Bowen Island is within the jurisdiction of the Islands Trust. Located in Howe Sound, it is approximate ...

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

, Canada * Francis Peninsula off of

Sunshine Coast (British Columbia) The Sunshine Coast is a geographic subregion of the British Columbia Coast that generally comprises the regional districts of qathet and Sunshine Coast. While populous and frequently visited by tourists, the Sunshine Coast can be reached only by ...

, Canada * Micou's Island in St. Margarets Bay, Nova Scotia, Canada *

Minister's Island Ministers Island is an historic Canadian island in New Brunswick's Passamaquoddy Bay near the town of St. Andrews. The island stands several hundred metres offshore immediately northeast of the town and is a geographical novelty in that it is ...

New Brunswick New Brunswick (french: Nouveau-Brunswick, , locally ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. It is the only province with both English and ...

, Canada *Ross Island and Cheney Island in

Grand Manan Grand Manan is a Canadian island in the Bay of Fundy. Grand Manan is also the name of an incorporated village, which includes the main island and all of its adjacent islands, except White Head Island. It is governed as a village and is part of t ...

, Canada * Wedge Island,

Nova Scotia Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland". Most of the population are native Eng ...

, Canada *Whyte Islet in

West Vancouver West Vancouver is a district municipality in the province of British Columbia, Canada. A member municipality of the Metro Vancouver Regional District, West Vancouver is to the northwest of the city of Vancouver on the northern side of English Ba ...

, Canada *Bird Islet in Neck Point Park, Nanaimo, British Columbia, Canada

United States

Bar Island Bar Island () is a tidal island across from Bar Harbor on Mount Desert Island, Maine, United States. The uninhabited island is mostly forested in pine and birch trees and the island is now part of Acadia National Park Acadia National Park i ...

Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and north ...

Battery Point Light Battery Point Light is a lighthouse in Crescent City, California, United States. It is registered as a California Historical Landmark, and is listed on the National Register of Historic Places as "Crescent City Lighthouse". History Battery P ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

Bumpkin Island __NOTOC__ Bumpkin Island, also known as Round Island, Bomkin Island, Bumkin Island, or Ward's Island, is an island in the Hingham Bay area of the Boston Harbor. In 1902, Albert Burrage, a Boston philanthropist, had a summer hospital opened on t ...

Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...

Camano Island Camano Island is a large island in Possession Sound, a section of Puget Sound. It is part of Island County, Washington, and is located between Whidbey Island and the mainland (Snohomish County) by the Saratoga Passage to the west and Port Susan ...

Puget Sound Puget Sound ( ) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea. It is located along the northwestern coast of the U.S. state of Washington. It is a complex estuarine system of interconnected ma ...

Washington state Washington (), officially the State of Washington, is a state in the Pacific Northwest region of the Western United States. Named for George Washington—the first U.S. president—the state was formed from the western part of the Washington ...

, since earth filled *

Charles Island Charles Island is a 14-acre (57,000 m2) island located roughly 0.5 mile (1 km) off the coast of Milford, Connecticut, in Long Island Sound centered at . Charles Island is accessible from shore via a tombolo (locally referred to as a san ...

, in

Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...

Douglas Island Douglas Island is a tidal island in the U.S. state of Alaska. It is part of the city and borough of Juneau, just west of downtown Juneau and east of Admiralty Island. It is separated from mainland Juneau by the Gastineau Channel, and contains t ...

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

High Island, New York High Island is a small, uninhabited, privately-owned island, part of the Pelham Islands in the Bronx, New York City. It lies east of the north end of City Island between City Island Harbor and Pelham Bay in Long Island Sound. It is connect ...

*Long Point Island,longpointisland.com

Harpswell, Maine Harpswell is a town in Cumberland County, Maine, United States, within Casco Bay in the Gulf of Maine. The population was 5,031 at the 2020 census. Harpswell is composed of land contiguous with the rest of Cumberland County, called Harpswell ...

*Tskawahyah Island of Cape Alava,

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

Oceania

Australia

* The

Point Walter Point Walter (Noongar: ''Dyoondalup'') is a point on the Swan River, Western Australia, notable for its large sandbar that extends into the river. It is located on the southern shore of Melville Water, and forms its western end. Point Walter ...

Sandbar in

Perth, Western Australia Perth is the capital and largest city of the Australian state of Western Australia. It is the fourth most populous city in Australia and Oceania, with a population of 2.1 million (80% of the state) living in Greater Perth in 2020. Perth is ...

has slowly formed into a tidal island and is only connected to the mainland in extreme low tides. * Penguin Island (Western Australia) in the

Shoalwater Islands Marine Park The Shoalwater Islands Marine Park is a protected marine park located in Western Australia and stretches from the northern point of the Garden Island Causeway to the southern point of Becher Point. The marine park is located offshore from t ...

*Former tidal island Bennelong Island in

Sydney Sydney ( ) is the capital city of the state of New South Wales, and the most populous city in both Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about towards the Blue Mountain ...

, Australia was developed into

Bennelong Point Bennelong Point, a former island in Sydney Harbour, is a headland that, since the 1970s is the location of the Sydney Opera House in Sydney, New South Wales, Australia. History Bennelong Point is known to the local Gadigal people of the Eora ...

and is now the location of the

Sydney Opera House The Sydney Opera House is a multi-venue performing arts centre in Sydney. Located on the foreshore of Sydney Harbour, it is widely regarded as one of the world's most famous and distinctive buildings and a masterpiece of 20th-century architec ...

New Zealand

Matakana Island Matakana Island is located in the western Bay of Plenty in New Zealand's North Island. A long, flat barrier island, it is in length but rarely more than wide. The island has been continuously populated for centuries by Māori tribes that ar ...

Tauranga Tauranga () is a coastal city in the Bay of Plenty region and the fifth most populous city of New Zealand, with an urban population of , or roughly 3% of the national population. It was settled by Māori late in the 13th century, colonised by ...

Harbour * Opahekeheke Island in the

Kaipara Harbour Kaipara Harbour is a large enclosed harbour estuary complex on the north western side of the North Island of New Zealand. The northern part of the harbour is administered by the Kaipara District and the southern part is administered by the Auckl ...

*Puddingstone Island in

Otago Harbour Otago Harbour is the natural harbour of Dunedin, New Zealand, consisting of a long, much-indented stretch of generally navigable water separating the Otago Peninsula from the mainland. They join at its southwest end, from the harbour mouth. I ...

* Rabbit Island, Bells Island, and Bests Island in

Tasman Bay / Te Tai-o-Aorere Tasman Bay (; officially Tasman Bay / Te Tai-o-Aorere), originally known in English as Blind Bay, is a large V-shaped bay at the north end of New Zealand's South Island. Located in the centre of the island's northern coast, it stretches along ...

*The

Hauraki Gulf The Hauraki Gulf / Tīkapa Moana is a coastal feature of the North Island of New Zealand. It has an area of 4000 km2,Motutapu Island Motutapu Island (otherwise known as ''Motutapu'') is a island in the Hauraki Gulf to the northeast of the city of Auckland, New Zealand. The island is part of the Hauraki Gulf Maritime Park. Its full name, rarely used, is ''Te Motutapu a Taikeh ...

and

Rangitoto Island Rangitoto Island is a volcanic island in the Hauraki Gulf near Auckland, New Zealand. The wide island is a symmetrical shield volcano cone, reaching a height of . Rangitoto is the youngest and largest of the approximately 50 volcanoes of the Au ...

are connected at low tide *The Okatakata Islands and Walker Island in

Rangaunu Harbour Rangaunu Harbour is a shallow harbour in the far north of New Zealand. It is situated on the east coast at the base of the Aupouri Peninsula. The name in Māori language, Māori means "To pull out a shoal of fish". With an area of it is the fifth ...

References

External links

* {{Coastal geography Islands by type

Islands An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...

List of tidal islands

Asia

Hong Kong

Iran

Japan

Taiwan

South Korea

Europe

Denmark

Denmark/Germany

France

Germany

Guernsey

Iceland

Ireland

Italy

Jersey

Spain

United Kingdom

=England

=Northern Ireland

=Scotland

=Wales

North America

Canada

United States

Oceania

Australia

New Zealand

See also

References

External links