A tidal island is a raised area of land within a

waterbody A body of water or waterbody is any significant accumulation of water on the surface of Earth or another planet. The term most often refers to oceans, seas, and lakes, but it includes smaller pools of water such as ponds, wetlands, or more rare ...

, which is connected to the larger mainland by a natural

isthmus An isthmus (; : isthmuses or isthmi) is a narrow piece of land connecting two larger areas across an expanse of water by which they are otherwise separated. A tombolo is an isthmus that consists of a spit or bar, and a strait is the sea count ...

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 T ...

that is exposed at low

tide Tides are the rise and fall of sea levels caused by the combined effects of the 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 tables ...

and submerged at high tide, causing the land to switch between being a

promontory A promontory is a raised mass of land that projects into a lowland or a body of water (in which case it is a peninsula). Most promontories either are formed from a hard ridge of rock that has resisted the erosive forces that have removed the s ...

peninsula A peninsula is a landform that extends from a mainland and is only connected to land on one side. Peninsulas exist on each continent. The largest peninsula in the world is the Arabian Peninsula. Etymology The word ''peninsula'' derives , . T ...

and an

island An island or isle is a piece of land, distinct from a continent, completely surrounded by water. There are continental islands, which were formed by being split from a continent by plate tectonics, and oceanic islands, which have never been ...

depending on tidal conditions. Because of the mystique surrounding tidal islands, many of them have been sites of religious worship, 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 France's north-western coast, at the mouth of the Couesnon River near Avranches and is in ...

with its

Benedictine The Benedictines, officially the Order of Saint Benedict (, abbreviated as O.S.B. or OSB), are a mainly contemplative monastic order of the Catholic Church for men and for women who follow the Rule of Saint Benedict. Initiated in 529, th ...

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 Christians, Christian monks and nun ...

. Tidal islands are also commonly the sites of

fortresses A fortification (also called a fort, fortress, fastness, or stronghold) is a military construction designed for the defense of territories in warfare, and is used to establish rule in a region during peacetime. The term is derived from La ...

because of the natural barrier created by the tidal channel.

List of tidal islands

Asia

Hong Kong

* Ma Shi Chau in

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 Yue ...

, northeastern

New Territories The New Territories (N.T., Traditional Chinese characters, Chinese: ) is one of the three areas of Hong Kong, alongside Hong Kong Island and Kowloon. It makes up 86.2% of Hong Kong's territory, and contains around half of the population of H ...

, within the Tolo Harbour *Kiu Tau Island in Sai Kung

Iran

* Naaz islands in the

Persian Gulf The Persian Gulf, sometimes called the Arabian Gulf, is a Mediterranean seas, mediterranean sea in West Asia. The body of water is an extension of the Arabian Sea and the larger Indian Ocean located between Iran and the Arabian Peninsula.Un ...

, 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, Kanagawa, Fujisawa, and is ...

, 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 the i ...

Kanagawa Prefecture is a Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the List of Japanese prefectures by population, second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-dens ...

Taiwan

* Kueibishan in

Penghu The Penghu ( , Hokkien Pe̍h-ōe-jī, POJ: ''Phîⁿ-ô͘'' or ''Phêⁿ-ô͘'' ) or Pescadores Islands are an archipelago of 90 islands and islets in the Taiwan Strait, about west of the main island of Taiwan across the Penghu Ch ...

Jiangong Islet The Jiangong Islet ( zh, t=建功嶼, s=建功屿, first=t, p=Jiàngōng Yǔ) (also Jiangong Yu, National Geospatial-Intelligence Agency, United States National Geospatial-Intelligence Agency) is a tidal island in Jincheng, Kinmen, Jincheng Towns ...

Kinmen Kinmen, alternatively known as Quemoy, is a group of islands governed as a county by the Republic of China (Taiwan), only east from the city of Xiamen in Fujian, located at the southeastern coast of the People's Republic of China, from wh ...

South Korea

* Jindo Island and Modo Island in southwest

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...

Jebudo Jebudo () is an island in Jebu-ri, Seosin-myeon, Hwaseong, Gyeonggi Province, South Korea. It is connected to the mainland by a road that is impassable twice a day due to high tide. Etymology Historically, Jebudo was called "Jeobiseom" () or " ...

in the west

Europe

Denmark

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

Vordingborg Vordingborg () is a market town and old ferry town on the south coast of the island of Zealand in Denmark. 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 ( ) is the largest and most populous islands of Denmark, island in Denmark proper (thus excluding Greenland and Disko Island, which are larger in size) at 7,031 km2 (2715 sq. mi.). Zealand had a population of 2,319,705 on 1 Januar ...

Denmark Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent of the Kingdom of Denmark,, . also known as the Danish Realm, a constitutionally unitary state that includes the Autonomous a ...

Denmark/Germany

* The

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

in the

North Frisian Islands The North Frisian Islands (, ; ''Öömrang'' and ''Fering'' ; ''Söl'ring'' ; ) are the Frisian Islands off the coast of North Frisia. The term covers both the North Frisian Islands in the narrow sense (in Schleswig-Holstein, Germany) and the Dan ...

, Denmark/Germany

France

* Île Aganton in Brittany *

Île Madame Île Madame () is an island in the Charente (river), 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. R ...

Charente-Maritime Charente-Maritime (; Poitevin-Saintongeais: ''Chérente-Marine''; ) is a Departments of France, department in the French Regions of France, region of Nouvelle-Aquitaine, on the country's west coast. Named after the river Charente (river), Charen ...

* Île de Noirmoutier in

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

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 ...

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 ...

in Normandy *Grand Bé, Petit Bé and Fort National in

Saint-Malo Saint-Malo (, , ; Gallo language, Gallo: ; ) is a historic French port in Ille-et-Vilaine, Brittany (administrative region), Brittany. The Fortification, walled city on the English Channel coast had a long history of piracy, earning much wealth ...

Germany

* The Neuwerk in the

Wadden Sea The Wadden Sea ( ; ; or ; ; ; ) is an intertidal zone in the southeastern part of the North Sea. It lies between the coast of northwestern continental Europe and the range of low-lying Frisian Islands, forming a shallow body of water with tida ...

Guernsey

Lihou Lihou () is a small tidal island 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, and is ...

Guernsey Guernsey ( ; Guernésiais: ''Guernési''; ) is the second-largest island in the Channel Islands, located west of the Cotentin Peninsula, Normandy. It is the largest island in the Bailiwick of Guernsey, which includes five other inhabited isl ...

, one of the

Channel Islands The Channel Islands are an archipelago in the English Channel, off the French coast of Normandy. They are divided into two Crown Dependencies: the Jersey, Bailiwick of Jersey, which is the largest of the islands; and the Bailiwick of Guernsey, ...

Iceland

Grótta in Seltjarnarnes, the Capital Region

Ireland

Coney Island Coney Island is a neighborhood and entertainment area in the southwestern section of the New York City borough of Brooklyn. The neighborhood is bounded by Brighton Beach to its east, Lower New York Bay to the south and west, and Gravesend to ...

near

Rosses Point Rosses Point ( or ) is a village in County Sligo, Ireland and also the name of the surrounding peninsula. Rosses Point is at the entrance to Sligo Harbour from Sligo Bay with Oyster Island being the long thin landmass notable when entering th ...

County Sligo County Sligo ( , ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Northern and Western Region and is part of the Provinces of Ireland, province of Connacht. Sligo is the administrative capital and largest town in ...

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

Connemara Connemara ( ; ) 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-speaking Gaeltacht, ...

County Galway County Galway ( ; ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Northern and Western Region, taking up the south of the Provinces of Ireland, province of Connacht. The county population was 276,451 at the 20 ...

* Inishkeel,

County Donegal County Donegal ( ; ) is a Counties of Ireland, county of the Republic of Ireland. It is in the Provinces of Ireland, province of Ulster and is the northernmost county of Ireland. The county mostly borders Northern Ireland, sharing only a small b ...

Italy

* Isola Grande,

Sicily Sicily (Italian language, Italian and ), officially the Sicilian Region (), is an island in the central Mediterranean Sea, south of the Italian Peninsula in continental Europe and is one of the 20 regions of Italy, regions of Italy. With 4. ...

Jersey

* Elizabeth Castle in

Jersey Jersey ( ; ), officially the Bailiwick of Jersey, is an autonomous and self-governing island territory of the British Islands. Although as a British Crown Dependency it is not a sovereign state, it has its own distinguishing civil and gov ...

, a castle off the south coast accessible on foot at low tide * Saint Aubin's Fort * La Corbière Lighthouse * La Motte, Jersey, alias Green Island * L'Avarison, which hosts Seymour Tower * Archirondel Tower, now connected via permanent causeway * Icho Tower * Portelet Tower

Spain

* Cortegada Island in

Pontevedra Pontevedra (, ) is a city in the autonomous community of Galicia (Spain), Galicia, in northwestern Spain. It is the capital of both the ''Pontevedra (comarca), Comarca'' and Province of Pontevedra, and the capital of the Rías Baixas. It is als ...

coast, Galicia. * San Nikolas Island in Lekeitio,

Bizkaia Biscay ( ; ; ), is a province of the Basque Autonomous Community, heir of the ancient Lordship of Biscay, lying on the south shore of the eponymous bay. The capital and largest city is Bilbao. Biscay is one of the most renowned and prosperou ...

United Kingdom

Rough Island from Tornat Wood - geograph

=England

= * Asparagus Island, Mount's Bay,

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, ...

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 thre ...

Devon Devon ( ; historically also known as Devonshire , ) is a ceremonial county in South West England. It is bordered by the Bristol Channel to the north, Somerset and Dorset to the east, the English Channel to the south, and Cornwall to the west ...

* Burrow Island,

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 ...

* Chapel Island,

Cumbria Cumbria ( ) is a ceremonial county in North West England. It borders the Scottish council areas of Dumfries and Galloway and Scottish Borders to the north, Northumberland and County Durham to the east, North Yorkshire to the south-east, Lancash ...

* Chiswick Eyot 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, s ...

in London * Dova Haw, one of the Islands of Furness, off the coast of

* Gugh in the

Isles of Scilly The Isles of Scilly ( ; ) are a small archipelago off the southwestern tip of Cornwall, England. One of the islands, St Agnes, Isles of Scilly, St Agnes, is over farther south than the most southerly point of the Great Britain, British mainla ...

(joined to St Agnes at low tide) * Headin Haw, one of the Islands of Furness, off the coast of

* Hilbre Island, 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 enviro ...

, between

North Wales North Wales ( ) is a Regions of Wales, region of Wales, encompassing its northernmost areas. It borders mid Wales to the south, England to the east, and the Irish Sea to the north and west. The area is highly mountainous and rural, with Snowdon ...

and the English Wirral, but administratively in England. * Horsey Island,

Essex Essex ( ) is a Ceremonial counties of England, ceremonial county in the East of England, and one of the home counties. It is bordered by Cambridgeshire and Suffolk to the north, the North Sea to the east, Kent across the Thames Estuary to the ...

Lindisfarne Lindisfarne, also known as Holy Island, is a tidal island off the northeast coast of England, which constitutes the civil parishes in England, civil parish of Holy Island in Northumberland. Holy Island has a recorded history from the 6th centu ...

Northumberland Northumberland ( ) is a ceremonial counties of England, ceremonial county in North East England, on the Anglo-Scottish border, border with Scotland. It is bordered by the North Sea to the east, Tyne and Wear and County Durham to the south, Cumb ...

, also known as Holy Island * Marsden Rock,

South Tyneside South Tyneside is a metropolitan borough in the metropolitan county of Tyne and Wear, England. It is bordered by all four other boroughs in Tyne and Wear: Gateshead to the west, Sunderland in the south, North Tyneside to the north and Newcastl ...

Tyne and Wear Tyne and Wear () is a Ceremonial counties of England, ceremonial county in North East England. It borders Northumberland to the north and County Durham to the south, and the largest settlement is the city of Newcastle upon Tyne. The county is ...

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

Osea Island Osea Island (, "Osyth's island"), formerly also Osey, is an inhabited island in the Blackwater Estuary, 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 caus ...

, 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. T ...

, Cumbria * Scolt Head Island, 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 by Ne ...

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 ...

* White Island, Isles of Scilly and

St Martin's, Isles of Scilly St Martin's () is the northernmost populated island of the Isles of Scilly, England, United Kingdom. It has an area of and a total population (2021 census) of 135. Description There are three main settlements on the island - Higher Town, Isl ...

=Northern Ireland

Guns_Island_from_Ballyhornan_Bay_at_low_tide

* Nendrum Monastery on Mahee Island,

Strangford Lough Strangford Lough () is a large sea lough or inlet in County Down, in the east of Northern Ireland. It is the largest inlet in Ireland and the wider British Isles, covering . The lough is almost fully enclosed by the Ards Peninsula and is linke ...

*Guns Island, near Ballyhornan *Isle of Muck, Portmuck *Rough Island, near Comber, Strangford Lough Accessible at low-tide, this walk around Rough Island provides magnificent views of Strangford Lough and is an excellent view point for bird watching.

=Scotland

= * Baleshare in the

Outer Hebrides The Outer Hebrides ( ) or Western Isles ( , or ), sometimes known as the Long Isle or Long Island (), is an Archipelago, island chain off the west coast of mainland Scotland. It is the longest archipelago in the British Isles. The islan ...

, joined to

North Uist North Uist (; ) 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 South Uist are described as one isla ...

* Bernera Island, joined to Lismore * Brough of Birsay in

Orkney Orkney (), also known as the Orkney Islands, is an archipelago off the north coast of mainland Scotland. The plural name the Orkneys is also sometimes used, but locals now consider it outdated. Part of the Northern Isles along with Shetland, ...

, joined to

Orkney Mainland The Mainland, also known as 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 Orkney's popu ...

* Castle Stalker on Loch Laich in

Argyll Argyll (; archaically Argyle; , ), sometimes called Argyllshire, is a Shires of Scotland, historic county and registration county of western Scotland. The county ceased to be used for local government purposes in 1975 and most of the area ...

* Cramond Island in the

Firth of Forth The Firth of Forth () is a firth in Scotland, an inlet of the North Sea that separates Fife to its north and Lothian to its south. Further inland, it becomes the estuary of the River Forth and several other rivers. Name ''Firth'' is a cognate ...

* Island Davaar near

Campbeltown Campbeltown (; 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 port. The 2018 populatio ...

, off the

Kintyre Kintyre (, ) 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 Loch Tarbert, Argyll, East and West Loch Tarbert, Argyll, West Loch Tarbert in t ...

peninsula *Eilean Arnoil in the

, joined to the

Isle of Lewis The Isle of Lewis () or simply Lewis () is the northern part of Lewis and Harris, the largest island of the Western Isles or Outer Hebrides archipelago in Scotland. The two parts are frequently referred to as if they were separate islands. The t ...

* Eilean Donan in the western

Highlands of Scotland The Highlands (; , ) is a historical region of Scotland. Culturally, the Highlands and the Lowlands diverged from the Late Middle Ages into the modern period, when Lowland Scots language replaced Scottish Gaelic throughout most of the Lowlan ...

* Eilean Fladday and Eilean Tigh off the Isle of Raasay *

Eilean Shona Eilean Shona () is a tidal island situated at the entrance of Moidart, Loch Moidart, on the west coast of Scotland, just north of the Ardnamurchan, Ardnamurchan Peninsula. The island is in area, with the highest point being Beinn a' Bhàillidh a ...

in Loch Moidart,

Lochaber Lochaber ( ; ) 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. Lochaber once extended from the Northern shore of Loch Leven, a distric ...

Highland Highlands or uplands are areas of high elevation such as a mountainous region, elevated mountainous plateau or high hills. Generally, ''upland'' refers to a range of hills, typically from up to , while ''highland'' is usually reserved for range ...

* Eilean Tioram, in Loch Moidart * Erraid off the

Isle of Mull The Isle of Mull or simply Mull ( ) 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 Argyll and Bute. Covering , Mull is the fourth-lar ...

* Hestan Island near Rough Island in Auchencairn Bay * Islands of Fleet: Ardwall Isle and Barlocco Isle in

Galloway Galloway ( ; ; ) is a region in southwestern Scotland comprising the counties of Scotland, historic counties of Wigtownshire and Kirkcudbrightshire. It is administered as part of the council areas of Scotland, council area of Dumfries and Gallow ...

* Isle Ristol, the innermost of the Summer Isles * Kili Holm in

, joined to

Egilsay Egilsay (, ) is one of the Orkney Islands in Scotland, lying east of Rousay. The anglicized name of Eagleshay was used in past centuries. The island is largely farmland and is known for St Magnus Church, Egilsay, St Magnus Church, dedicated or r ...

* Oronsay in the

Inner Hebrides The Inner Hebrides ( ; ) 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, which experience a mild oceanic climate. The Inner Hebrides compri ...

, joined to Colonsay * Oronsay in Loch Bracadale, joined to

Skye The Isle of Skye, or simply Skye, is the largest and northernmost of the major islands in the Inner Hebrides of Scotland. The island's peninsulas radiate from a mountainous hub dominated by the Cuillin, the rocky slopes of which provide some o ...

* Orosay in the

, joined to

Barra Barra (; or ; ) 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 the Vatersay Causeway. In 2011, the population was 1,174. ...

* Rough Island opposite Rockcliffe, Dumfries & Galloway * Vallay (Bhàlaigh), joined to

in the

=Wales

= * Burry Holms off the Gower * Cribinau off

Anglesey Anglesey ( ; ) is an island off the north-west coast of Wales. It forms the bulk of the Principal areas of Wales, county known as the Isle of Anglesey, which also includes Holy Island, Anglesey, Holy Island () and some islets and Skerry, sker ...

* Gateholm off the south west coast of Pembrokeshire * Ynys Llanddwyn off

* Mumbles Lighthouse located in Mumbles, near Swansea * St Catherine's Island in

Pembrokeshire Pembrokeshire ( ; ) is a Principal areas of Wales, county in the South West Wales, south-west of Wales. It is bordered by Carmarthenshire to the east, Ceredigion to the northeast, and otherwise by the sea. Haverfordwest is the largest town and ...

* Sully Island in the

Vale of Glamorgan The Vale of Glamorgan ( ), locally referred to as ''The Vale'', is a Principal areas of Wales, county borough in the South East Wales, south-east of Wales. It borders Bridgend County Borough to the west, Cardiff to the east, Rhondda Cynon Taf t ...

* Worm's Head at the end of the Gower * Ynys Cantwr off Ramsey Island, Pembrokeshire * Ynys Feurig off

* Ynys Gifftan in

Gwynedd Gwynedd () is a county in the north-west of Wales. It borders Anglesey across the Menai Strait to the north, Conwy, Denbighshire, and Powys to the east, Ceredigion over the Dyfi estuary to the south, and the Irish Sea to the west. The ci ...

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

North America

Canada

*Bird Islet in Neck Point Park, Nanaimo, British Columbia, Canada *Finisterre Island off of Bowen Island,

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

, 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 ...

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

New Brunswick New Brunswick is a Provinces and Territories of Canada, province of Canada, bordering Quebec to the north, Nova Scotia to the east, the Gulf of Saint Lawrence to the northeast, the Bay of Fundy to the southeast, and the U.S. state of Maine to ...

, Canada *Ross Island and Cheney Island in Grand Manan,

, Canada * Wedge Island,

Nova Scotia Nova Scotia is a Provinces and territories of Canada, province of Canada, located on its east coast. It is one of the three Maritime Canada, Maritime provinces and Population of Canada by province and territory, most populous province in Atlan ...

, 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 situated on the north shore of Burrard Inlet to the northwest of the city ...

, Canada

United States

* Bar Island in

Maine Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...

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 that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

* Bumpkin Island in

Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...

* Camano Island in

Puget Sound Puget Sound ( ; ) is a complex estuary, estuarine system of interconnected Marine habitat, marine waterways and basins located on the northwest coast of the U.S. state of Washington (state), Washington. As a part of the Salish Sea, the sound ...

Washington state Washington, officially the State of Washington, is a state in the Pacific Northwest region of the United States. It is often referred to as Washington State to distinguish it from the national capital, both named after George Washington ...

, since earth filled * Charles Island, in

Connecticut Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...

* Douglas Island in

Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...

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 connecte ...

*Long Point Island, Harpswell, Maine *Tskawahyah Island of Cape Alava, Washington

Oceania

Australia

* The Point Walter Sandbar in

Perth, Western Australia Perth () is the list of Australian capital cities, capital city of Western Australia. It is the list of cities in Australia by population, fourth-most-populous city in Australia, with a population of over 2.3 million within Greater Perth . The ...

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 *Former tidal island Bennelong Island in

Sydney Sydney is the capital city of the States and territories of Australia, state of New South Wales and the List of cities in Australia by population, most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Syd ...

, 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 center, performing arts centre in Sydney, New South Wales, Australia. Located on the foreshore of Sydney Harbour, it is widely regarded as one of the world's most famous and distinctive b ...

New Zealand

* Matakana Island in

Tauranga Tauranga (, Māori language for "resting place," or "safe anchorage") is a coastal city in the Bay of Plenty Region and the List of cities in New Zealand, fifth-most populous city of New Zealand, with an urban population of or roughly 3% of t ...

Harbour * Opahekeheke Island in the Kaipara Harbour *Puddingstone Island in

Otago Harbour Otago Harbour is the harbor, 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 m ...

* Rabbit Island, Bells Island, and Bests Island in Tasman Bay *The Hauraki Gulf islands of Motutapu Island 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 capped by central scoria cones, reaching a height of . Rangitoto is the youngest and largest of the appr ...

are connected at low tide *The Okatakata Islands 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 means "To pull out a shoal of fish". With an area of it is the fifth-largest har ...

References

External links

* {{Coastal geography Islands by type

Islands This is a list of the lists of islands in the world grouped by country, by continent, by body of water, and by other classifications. For rank-order lists, see the #Other lists of islands, other lists of islands below. Lists of islands by count ...

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