A
tidal island is a piece of land that is connected to the mainland by a natural or man-made
causewayIn modern usage, a causeway is a road or railway elevated on a sandbank, usually across a broad body of water or wetland.- Etymology :...
that is exposed at low
tideTides are the rises and falls of sea level caused by the combined effect of rotation of the Earth and the gravitation of the Moon and the Sun. The tides occur with a period of approximately 12 and a half hours and are influenced by the shape of the near-shore bottom.Most coastal areas experience...
and submerged at high tide. Because of the mystique surrounding tidal islands many of them have been sites of
religious worshipA place of worship or house of worship is an establishment or other location where a group of people comes to perform acts of religious praise, honour, or devotion. The form and function of religious architecture has evolved over thousands of years for both changing beliefs and architectural style...
, such as Mont Saint Michel with its
BenedictineThe Order of Saint Benedict is a Roman Catholic religious order of independent monastic communities that observe the Rule of St. Benedict. Within the order, each individual community maintains its own autonomy, while the organization as a whole exists to represent their mutual interests...
AbbeyAn abbey , is a Christian monastery or convent, under the government of an Abbot or an Abbess, who serves as the spiritual father or mother of the community....
. Tidal islands are also commonly the sites of fortresses because of their natural fortifications.
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A
tidal island is a piece of land that is connected to the mainland by a natural or man-made
causewayIn modern usage, a causeway is a road or railway elevated on a sandbank, usually across a broad body of water or wetland.- Etymology :...
that is exposed at low
tideTides are the rises and falls of sea level caused by the combined effect of rotation of the Earth and the gravitation of the Moon and the Sun. The tides occur with a period of approximately 12 and a half hours and are influenced by the shape of the near-shore bottom.Most coastal areas experience...
and submerged at high tide. Because of the mystique surrounding tidal islands many of them have been sites of
religious worshipA place of worship or house of worship is an establishment or other location where a group of people comes to perform acts of religious praise, honour, or devotion. The form and function of religious architecture has evolved over thousands of years for both changing beliefs and architectural style...
, such as Mont Saint Michel with its
BenedictineThe Order of Saint Benedict is a Roman Catholic religious order of independent monastic communities that observe the Rule of St. Benedict. Within the order, each individual community maintains its own autonomy, while the organization as a whole exists to represent their mutual interests...
AbbeyAn abbey , is a Christian monastery or convent, under the government of an Abbot or an Abbess, who serves as the spiritual father or mother of the community....
. Tidal islands are also commonly the sites of fortresses because of their natural fortifications.
The former
Bennelong IslandBennelong Point is the location of the Sydney Opera House in Sydney, Australia . It was called Tubowghule by the local Indigenous Australians....
in
SydneySydney is the largest city in Australia, and the state capital of New South Wales. Sydney has a metropolitan area population of approximately 4.34 million and an area of approximately 12,000 square kilometres. Its inhabitants are called Sydneysiders, and Sydney is often called "the Harbour City"...
,
AustraliaAustralia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the continental mainland , the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans...
was developed into Bennelong Point and is now the location of the
Sydney Opera HouseThe Sydney Opera House is a multi-venue performing arts centre on Bennelong Point in Sydney, New South Wales, Australia. It was conceived and largely built by Danish architect Jørn Utzon, who in 2003 received the Pritzker Prize, architecture's highest honour...
.
Canada
- Minister's Island
Minister’s Island is a 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 accessible at low tide by a wide gravel bar suitable for...
in New BrunswickNew Brunswick is one of Canada's three Maritime provinces and is the only constitutionally bilingual province in the confederation. The provincial capital is Fredericton...
, CanadaCanada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean...
- Micou's Island
Micou's Island is located in Glen Haven community near the eastern shore of St. Margarets Bay, Nova Scotia, Canada. This is a 22-acre tidal island accessible by a sandbar at low tide which has become a popular beach during summer months....
in St. Margarets BaySt. Margarets Bay is a Canadian bay located on the Atlantic coast of Nova Scotia on the border of the Halifax Regional Municipality and Lunenburg County .-Description:...
, Nova ScotiaNova Scotia is a Canadian province located on Canada's southeastern coast. It is the most populous province in Atlantic Canada. Its capital, Halifax, is a major economic centre of the region. Nova Scotia is the second-smallest province in Canada with an area of...
, CanadaCanada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean...
France
- Mont Saint Michel in Normandy
Normandy is a geographical region corresponding to the former Duchy of Normandy. It is situated along the English Channel coast of Northern France between Brittany and Picardy and comprises territory in northern France and the Channel Islands.Normandy is divided between French and British...
, FranceFrance , officially the French Republic , is a country located in Western Europe, with several overseas islands and territories located on other continents. Metropolitan France extends from the Mediterranean Sea to the English Channel and the North Sea, and from the Rhine to the Atlantic Ocean...
- Île de Noirmoutier
The Île de Noirmoutier is an island off the Atlantic coast of France in the Vendée département.Parts of the island have been reclaimed from the sea. In 2005 it served as the finish of the Tour de France prologue....
in VendéeThe Vendée is a department in the Pays-de-la-Loire region in west central France, on the Atlantic Ocean. The name Vendée is taken from the Vendée river which runs through the south-eastern part of the department.- History :...
, FranceFrance , officially the French Republic , is a country located in Western Europe, with several overseas islands and territories located on other continents. Metropolitan France extends from the Mediterranean Sea to the English Channel and the North Sea, and from the Rhine to the Atlantic Ocean...
Germany/Denmark
- The Halligen in the North Frisian Islands
The North Frisian Islands are a group of islands in the Wadden Sea, a part of the North Sea, off the western coast of Schleswig-Holstein, Germany. The German islands are in the traditional region of North Frisia and are part of the Schleswig-Holstein Wadden Sea National Park and the Kreis of...
, GermanyGermany , officially the Federal Republic of Germany , is a country in Central Europe. It is bordered to the north by the North Sea, Denmark, and the Baltic Sea; to the east by Poland and the Czech Republic; to the south by Austria and Switzerland; and to the west by France, Luxembourg, Belgium,...
/DenmarkDenmark is a Scandinavian country in Northern Europe and the senior member of the Kingdom of Denmark. It is the southernmost of the Nordic countries; southwest of Sweden and south of Norway, and it is bordered to the south by Germany. Denmark borders both the Baltic and the North Sea...
- 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 7.63 km² and has 62 inhabitants...
Island - on Denmark's western coast
Ireland
- Omey Island
Omey Island is a tidal island situated near Claddaghduff in the western edge of Connemara, Ireland . There is a route across a large strand to the island and, at high tide, the water is deep enough to cover a car...
in ConnemaraConnemara , which derives from Conmhaicne Mara , is a district in the west of Ireland consisting of a broad peninsula between Killary Harbour and Kilkieran Bay in the west of County Galway or south west Connacht...
, County GalwayCounty Galway is one of the traditional Counties of Ireland. It is located in the province of Connacht. It was named after the city of Galway...
, ConnachtConnacht , formerly Anglicised as Connaught, is the western province of Ireland, comprising counties Galway, Leitrim, Mayo, Roscommon and Sligo. Its main urban centres are Galway in the south, and Sligo in the north...
- Coney Island
Coney Island is a peninsula, formerly an island, in southernmost Brooklyn, New York City, USA, with a beach on the Atlantic Ocean. The neighborhood of the same name is a community of 60,000 people in the western part of the peninsula, with Seagate to its west; Brighton Beach and Manhattan Beach to...
near Rosses PointRosses Point is a village in County Sligo, Ireland and also the name of the surrounding peninsula. The point guards Sligo Harbour and is marked by the Metal Man lighthouse, a 12 foot high guardian statue placed offshore by local seafarers in 1821 and maintained by the Commissioners of Irish...
, County SligoCounty Sligo is one of the traditional counties of Ireland and is located within the province of Connacht. It was named after the town of Sligo .Sligo is the 22nd largest of Ireland’s 32 counties in area and 25th largest in terms of population...
United Kingdom
- Baleshare
Baleshare 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 350m causeway was built by William Tawse Ltd...
in the Outer HebridesThe Outer Hebrides, comprise an island chain off the west coast of Scotland...
, ScotlandScotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...
- Brough of Birsay
The Brough of Birsay is a small uninhabited tidal island off the north west coast of The Mainland of Orkney, Scotland, in the parish of Birsay.-Geography and geology:The island is accessible on foot at low tide via a largely natural causeway...
in Orkney, Scotland
- Burgh Island
Burgh Island is a small tidal island off the south coast of Devon in England near to the small seaside village of Bigbury on Sea. There are several buildings on the island, the largest being the Art Deco Burgh Island Hotel...
in DevonDevon is a large county in England. The county is also referred to as Devonshire, although that is an unofficial name, rarely used inside of the county itself and often indicating a traditional or historical context. The county shares borders with Cornwall to the west and Dorset and Somerset to...
, EnglandEngland is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west and the North Sea to the east, with the English Channel to the south separating it from continental...
- Chapel Island
Chapel Island is a limestone outcrop that lies in the Leven estuary of Morecambe Bay in England, less than one mile from the shoreline at Bardsea in the area known as Ulverston Sands. It is located at . It is one of the Islands of Furness in the county of Cumbria, in the area of the historic...
in CumbriaCumbria is a shire county in the North West of England. Cumbria came into existence as a county in 1974 after the passage of the Local Government Act 1972...
, England
- Cramond Island
Cramond Island is one of several islands that lie in the Firth of Forth in eastern Scotland, near Edinburgh. As its name implies, it lies off Cramond. It is one third of a mile long and covers 7.7 hectares " , and is currently part of the Dalmeny Estate...
, EdinburghEdinburgh is the capital city of Scotland. It is the second largest Scottish city, after Glasgow, and the seventh-most populous in the United Kingdom. The City of Edinburgh Council is one of Scotland's 32 local government council areas....
, Scotland
- Davaar Island
Davaar Island or Island Davaar 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 causeway called the Dhorlin near Campbeltown at low tide...
near CampbeltownCampbeltown is a town and former royal burgh in Argyll and Bute, Scotland, located by Campbeltown Loch on the Kintyre peninsula. Originally known as Kinlochkilkerran - this form is still used in Gaelic...
, on the KintyreKintyre is a peninsula in western Scotland, in the south-west of Argyll and Bute. The region stretches approximately 30 miles , from the Mull of Kintyre in the south, to East Loch Tarbert in the north...
peninsula, Scotland
- Erraid
The Isle of Erraid is a tidal island approximately one mile square in area located in the Inner Hebrides of Scotland. It lies west of Mull and southeast of Iona. The island receives about of rain and 1,350 hours of sunshine annually, making it one of the driest and sunniest places on the western...
off the Isle of MullThe Isle of Mull or simply Mull is the second largest island of the Inner Hebrides, off the west coast of Scotland in the council area of Argyll and Bute....
in Scotland
- Gugh
Gugh is a tidal island in the Isles of Scilly, United Kingdom. It has two houses, and a total population of three...
in the Isles of ScillyThe Isles of Scilly form an archipelago off the southwestern tip of the Cornish peninsula of the British Isles. Traditionally administered as part of the county of Cornwall, the islands have had a unitary authority council since 1889...
, Great BritainGreat Britain is an island lying to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island. With a population of about 59.6 million people, it is the third most populated island on Earth. Great Britain is surrounded by over 1000 smaller...
- Hilbre Island
Hilbre Island is the largest of a group of three islands at the mouth of the estuary of the River Dee, which is a part of the estuary Site of Special Scientific Interest....
in the River DeeThe River Dee is a long river in the United Kingdom. It travels through Wales and England and also forms part of the border between them....
estuaryAn estuary is a semi-enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries are thus subject to both marine influences, such as tides, waves, and the influx of saline water; and riverine influences, such as flows of...
, between North WalesNorth Wales is the northernmost unofficial region of Wales, bordered to the south by Mid Wales and to the east by England.It comprises the island of Anglesey, the Llŷn peninsula and the Snowdonia mountain range, together with the catchments of the Rivers Conwy, Clwyd and Dee with the River Dyfi...
and the English WirralWirral or the Wirral is a peninsula in North West England. It is bounded to the west by the River Dee, which forms the boundary with Wales, and to the east by the River Mersey. Both terms "Wirral" and "the Wirral" are used locally , although the merits of each form are the subject of local...
- Llanddwyn Island off Anglesey
The Isle of Anglesey , is an island and county off the northwest coast of Wales, with a predominantly Welsh-speaking population. It is connected to the mainland by two bridges spanning the Menai Strait: the original Menai Suspension Bridge , designed by Thomas Telford in 1826; and the newer...
in North WalesNorth Wales is the northernmost unofficial region of Wales, bordered to the south by Mid Wales and to the east by England.It comprises the island of Anglesey, the Llŷn peninsula and the Snowdonia mountain range, together with the catchments of the Rivers Conwy, Clwyd and Dee with the River Dyfi...
- Lindisfarne
Lindisfarne is a tidal island off the north-east coast of England also known as Holy Island, the name of the civil parish. The name Lindisfarne derives from Farne meaning "retreat" and Lindis, a small tidal river adjacent to the island. It has a population of 162...
in NorthumberlandNorthumberland is a ceremonial county and unitary district in the North East of England. It borders Cumbria to the west, County Durham to the south and Tyne and Wear to the south east, as well as having a border with the Scottish Borders council area to the north, and nearly eighty miles of North...
, England
- 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 2km to the east of Maldon, Essex and 2km to the west of Osea Island.The whole island and...
in EssexEssex is a county in the East of England region of the United Kingdom. The county town of Essex is Chelmsford.-History:In pre-Roman Britain the territories of Suffolk and Essex were home to the Trinovantes tribe, which had grown wealthy through intensive trade with the Roman Empire, contemporary...
, England
- Oronsay
Oronsay , also sometimes spelt and pronounced Oransay by the local community, is a small tidal island south of Colonsay in the Scottish Inner Hebrides with an area of just over two square miles....
in the Inner HebridesThe Inner Hebrides is an archipelago off the west coast of Scotland, to the south east of the Outer Hebrides. They are part of the Hebrides. In classical sources, they are referred to as the Ebudae or the Ebudes...
, Scotland
- Osea Island
Osea Island is an inhabited island in the estuary of the River Blackwater, Essex, East England. Approximately in size, it is owned by Nigel Frieda, brother of celebrity hairstylist John Frieda...
in Essex, England
- Rough Island
Rough Island is a tidal island in Rough Firth off the Solway Firth, Scotland. It is 24 m at its highest point.Since 1937 it has been in the ownership of the National Trust for Scotland...
opposite Rockcliffe, Dumfries & Galloway, Scotland
- Sheep Island
Sheep Island is an uninhabited grassy island of around , located just over from the shore of Walney Island, opposite Snab Point. It is one of the Islands of Furness and is in the Borough of Barrow-in-Furness in Cumbria in north-west England...
in CumbriaCumbria is a shire county in the North West of England. Cumbria came into existence as a county in 1974 after the passage of the Local Government Act 1972...
, England
- St Michael's Mount
St Michael's Mount is a tidal island located off the Mount's Bay coast of Cornwall, England, United Kingdom. It is united with Marazion by a man-made causeway, passable only at mid to low tide, made of granite setts...
in CornwallCornwall is a county of England in the United Kingdom, forming the tip of the south-western peninsula of Great Britain. It is bordered to the north and west by the Atlantic Ocean, to the south by the English Channel, and to the east by the county of Devon, over the River Tamar. Taken with the...
, Great Britain
- St Mary's Island
St. Mary's Island is a small island made of sandstone near the seaside resort of Whitley Bay, Tyne and Wear, UK.St. Mary's Island was originally called Bates Island, Hartley Bates or Bates Hill as it was originally owned by the Bates family who were prominent locally. It is sometimes known as Bait...
in North TynesideNorth Tyneside is a metropolitan borough of Tyne and Wear in the North East of England. Its seat is at the Town Hall, Wallsend.Created in 1974, the borough lies within the historic county boundaries of Northumberland.-Location:...
, England
- Sully Island
Sully Island is a small tidal island at the hamlet of Swanbridge, Vale of Glamorgan, four hundred and fifty metres off the northern coast of the Bristol Channel, midway between the towns of Penarth and Barry and 8 miles south west from the Welsh capital city of Cardiff...
in the Vale of GlamorganThe Vale of Glamorgan is a county borough in Wales; an exceptionally rich agricultural area, it lies in in the southern part of Glamorgan, south Wales...
, WalesWales is a country that is part of the United Kingdom, bordered by England to its east, and the Atlantic Ocean and Irish Sea to its west. It is also an elective region of the European Union...
- Worm's Head at the end of Gower, Wales
USA
- Bar Island
Bar island is a tidal island in Bar Harbor, Maine, United States. "The Bar", a muddy stretch of land, connects Bar Island to Acadia National Park on Mount Desert Island....
in MaineThe State of Maine is a state in the New England region of the northeastern United States, bordering the Atlantic Ocean to the southeast, New Hampshire to the southwest, and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast. Maine is the northernmost portion of...
, U.S.A.
- High Island, New York
High Island is a small private island, part of The Pelham Islands group in the New York City borough of the Bronx. It is next to City Island between City Island Harbor and Pelham Bay in Long Island Sound. It is an island at most times, but is connected to City Island by a sandbar that emerges at...
- Long Point Island, Harpswell, Maine
Harpswell is a town in Cumberland County Maine which is geographically within Casco Bay in the Gulf of Maine. The population was 5,239 at the 2000 census. Harpswell is composed of land contiguous with the rest of Cumberland County, called Harpswell Neck, as well as a several large and small...
, U.S.A.
- Cana Island Lighthouse
The Cana Island lighthouse is a lighthouse located just north of Baileys Harbor in Door County, Wisconsin.Currently used as an active navigational aid under the jurisdiction of the United States Coast Guard and a museum, it was added to the National Register of Historic Places in 1976, as reference...
in WisconsinWisconsin is one of the fifty U.S. states. Located in the north-central United States, Wisconsin is considered part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the...
, U.S.A.
- Battery Point Light
Battery Point Light is a lighthouse in Crescent City, California, United States. It is registered as California Historical Landmark number 951.-History:...
in CaliforniaCalifornia is the most populous state in the United States, and the third largest by area. California is the second most populous sub-national entity in the Americas, behind only São Paulo, Brazil...
, U.S.A.
- Camano Island
Camano Island is a large island in the Possession Sound portion of Puget Sound, located in Island County, Washington, between Whidbey Island and the mainland. The body of water separating Whidbey Island and Camano Island is called Saratoga Passage. Camano Island is separated from mainland...
in Puget SoundPuget Sound is a sound or complex of inland marine waterways in the northwestern part of Washington, United States, extending from the eastern end of the Strait of Juan de Fuca south to the head of the sound at the state capital of Olympia. It branches out from Admiralty Inlet and Deception Pass...
of WashingtonWashington is a state in the Pacific Northwest region of the United States. Washington was carved out of the western part of Washington Territory which had been ceded by Britain in 1846 by the Oregon Treaty as settlement of the Oregon Boundary Dispute. It was admitted to the Union as the...
, U.S.A., since earth filled