Tied islands, or land-tied islands as they are often known, are

landform A landform is a natural or anthropogenic land feature on the solid surface of the Earth or other planetary body. Landforms together make up a given terrain, and their arrangement in the landscape is known as topography. Landforms include hills, ...

s consisting of an

island 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 isla ...

that is connected to mainland or another island only by a

tombolo A tombolo is a sandy or shingle isthmus. A tombolo, from the Italian ', meaning 'pillow' or 'cushion', and sometimes translated incorrectly as ''ayre'' (an ayre is a shingle beach of any kind), is a deposition landform by which an island becom ...

: a spit of beach materials connected to land at both ends. St Ninian's Isle in the

Shetland Shetland, also called the Shetland Islands and formerly Zetland, is a subarctic archipelago in Scotland lying between Orkney, the Faroe Islands and Norway. It is the northernmost region of the United Kingdom. The islands lie about to the n ...

Islands off the north coast of

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to ...

is an example since it was once an

but is now linked to the mainland. Other examples include

Maury Island, Washington Maury Island is a tied island in Puget Sound in the U.S. state of Washington. It is connected to Vashon Island by an isthmus built by local homeowners in 1913. Before construction of the isthmus, the island was connected to Vashon only during ...

, in the

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 m ...

, Coronado, California; and Nahant, Massachusetts in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

;

Barrenjoey, New South Wales Barrenjoey is a locality in the suburb of Palm Beach, at the most northern tip of Pittwater. The headland is made up primarily of sandstones of the Newport Formation, the top third is a cap of Hawkesbury sandstone. Around 10,000 years ago the ...

, in

Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

;

Paratutae Island Paratutae Island, also known as Paratūtai Island, is an island at the mouth of the Manukau Harbour, at Whatipu in the Waitākere Ranges area. Geology The island is a portion of a Miocene era volcanic dyke swarm. History In Te Kawerau ā Ma ...

, in

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island coun ...

;

Mount Hakodate is an inactive volcanic mountain in Hakodate, Hokkaidō, Japan. The mountain is renowned for its view of the surrounding bay and city. The Michelin Green Guide: Japan gave the experience 3/3 stars in a review, placing it as equal to mountain ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...

Howth Head Howth Head ( ; ''Ceann Bhinn Éadair'' in Irish) is a peninsula northeast of the city of Dublin in Ireland, within the governance of Fingal County Council. Entry to the headland is at Sutton while the village of Howth and the harbour are ...

, in

Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...

; Wedge Island, in

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to t ...

;

Cheung Chau Cheung Chau (lit. "Long Island") is an island southwest of Hong Kong Island. It is nicknamed the 'dumbbell island (啞鈴島)' due to its shape. It has been inhabited for longer than most other places in Hong Kong, and had a population of ...

, in

Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China (abbr. Hong Kong SAR or HKSAR), is a List of cities in China, city and Special administrative regions of China, special ...

; and Davaar Island,

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 ...

. The

Isle of Portland An isle is an island, land surrounded by water. The term is very common in British English. However, there is no clear agreement on what makes an island an isle or its difference, so they are considered synonyms. Isle may refer to: Geography * Is ...

, in

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...

, is also described as a tied island, but geographers now believe that

Chesil Beach Chesil Beach (also known as Chesil Bank) in Dorset, England is one of three major shingle beach structures in Britain.A. P. Carr and M. W. L. Blackley, "Investigations Bearing on the Age and Development of Chesil Beach, Dorset, and the Associat ...

, which connects the island to the mainland, is a

barrier beach Barrier islands are coastal landforms and a type of dune system that are exceptionally flat or lumpy areas of sand that form by wave and tidal action parallel to the mainland coast. They usually occur in chains, consisting of anything from a ...

that has moved eastwards, rather than a

, which would have been formed by the effect of the island on waves. Paniquian Island, also known as Isla Boquete, is a tied island in

Puerto Galera Puerto Galera, officially the Municipality of Puerto Galera ( tgl, Bayan ng Puerto Galera), is a 1st class municipality in the province of Oriental Mindoro, Philippines. According to the 2020 census, it has a population of 41,961 people. It i ...

, a popular tourist destination in the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

. The island is connected to the main island of

Mindoro Mindoro is the seventh largest and eighth-most populous island in the Philippines. With a total land area of 10,571 km2 ( 4,082 sq.mi ) and has a population of 1,408,454 as of 2020 census. It is located off the southwestern coast of Luz ...

by a small tombolo, which is submerged only a few times per year.

References

*
Glossary of geology and related sciences
'' Jesse V. Howell,

American Geological Institute The American Geosciences Institute (AGI) is a nonprofit federation of about 50 geoscientific and professional organizations that represents geologists, geophysicists, and other earth scientists. The organization was founded in 1948. The name of t ...

. 1962.
Some Coastal Landform Definitions
Matthew Flinders, Villanova College, Queensland.

External links

* Tied island Islands by type {{island-stub

See also

References

External links