List of islands of Wales
Encyclopedia
This is a list of island
s of Wales
, the mainland of which is part of Great Britain
, as well as a table of the largest Welsh islands by area. The list includes tidal island
s such as Sully Island
but not locations such as Shell Island which, though they are termed islands, are in fact peninsulas.
Island
An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...
s of Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...
, the mainland of which is part of Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...
, as well as a table of the largest Welsh islands by area. The list includes tidal island
Tidal island
A tidal island is a piece of land that is connected to the mainland by a natural or man-made causeway that is exposed at low tide and submerged at high tide. Because of the mystique surrounding tidal islands many of them have been sites of religious worship, such as Mont Saint Michel with its...
s such as Sully Island
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 7 miles south of the Welsh capital city of Cardiff...
but not locations such as Shell Island which, though they are termed islands, are in fact peninsulas.
| Name | Island Group / Location |
|---|---|
| Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... (Ynys Môn) | Irish Sea Irish Sea The Irish Sea separates the islands of Ireland and Great Britain. It is connected to the Celtic Sea in the south by St George's Channel, and to the Atlantic Ocean in the north by the North Channel. Anglesey is the largest island within the Irish Sea, followed by the Isle of Man... |
| Bardsey Island Bardsey Island Bardsey Island , the legendary "Island of 20,000 saints", lies off the Llŷn Peninsula in the Welsh county of Gwynedd. The Welsh name means "The Island in the Currents", although its English name refers to the "Island of the Bards", or possibly the island of the Viking chieftan, "Barda". It is ... (Ynys Enlli) | Gwynedd Gwynedd Gwynedd is a county in north-west Wales, named after the old Kingdom of Gwynedd. Although the second biggest in terms of geographical area, it is also one of the most sparsely populated... |
| Barry Island Barry Island Barry Island may refer to:*Barry Island , Wales*Barry Island , Antarctica... (Ynys y Barri) | Vale of Glamorgan Vale of Glamorgan The Vale of Glamorgan is a county borough in Wales; an exceptionally rich agricultural area, it lies in the southern part of Glamorgan, South Wales... (linked to the mainland during the 1880s) |
| Caldey Island Caldey Island Caldey Island lies south of Tenby in Pembrokeshire, Wales.The island is home to a small village, but is best known for its monastery. Caldey Island is separated from the mainland by the Caldey Sound which is 1 km to 2 km wide between Caldey Island and the coast of Pembrokeshire... (Ynys Bŷr) | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Cardigan Island Cardigan Island Cardigan Island is a small, uninhabited island lying north of Cardigan, in Ceredigion, south-west Wales. It reaches a height of 52 m a.s.l.... (Ynys Aberteifi) | Ceredigion Ceredigion Ceredigion is a county and former kingdom in mid-west Wales. As Cardiganshire , it was created in 1282, and was reconstituted as a county under that name in 1996, reverting to Ceredigion a day later... |
| Cei Balast | Gwynedd Gwynedd Gwynedd is a county in north-west Wales, named after the old Kingdom of Gwynedd. Although the second biggest in terms of geographical area, it is also one of the most sparsely populated... |
| Church Island Church Island Church Island is a small island in the Menai Strait on the shores of Anglesey to which it is attached by a short causeway that is reachable only on foot off the Belgian Promenade. The whole of the island is taken up with St Tysilio's church, constructed in the 15th century, and the churchyard. ... (Ynys Dysilio) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Cribinau 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 nearest village is Aberffraw. The island, which can be reached on foot at low tide, is notable for the 13th-century church of St Cwyfan, known locally as eglwys bach... (Ynys Cribinau) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| East Mouse East Mouse East Mouse is an islet found off the north coast of Anglesey, Wales. It is found just a few hundred metres away from the town of Amlwch. For this reason the island is known in Welsh as Ynys Amlwch, Amlwch Island. The islet is tiny with a maximum area of only , and void of any significant flora... (Ynys Amlwch) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Flat Holm Flat Holm Flat Holm is a limestone island lying in the Bristol Channel approximately from Lavernock Point in the Vale of Glamorgan, but in the City and County of Cardiff. It includes the most southerly point of Wales.... (Ynys Echni) | Bristol Channel Bristol Channel The Bristol Channel is a major inlet in the island of Great Britain, separating South Wales from Devon and Somerset in South West England. It extends from the lower estuary of the River Severn to the North Atlantic Ocean... |
| Gateholm Gateholm Gateholm is a small tidal island off south west Pembrokeshire in Wales.It is best known for its Romano-British remains, including hut circles and a round barrow... | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Grassholm Grassholm Grassholm is a small uninhabited island situated off the southwestern Pembrokeshire coast in Wales, lying west of Skomer. It is the westernmost point in Wales and is known for its huge colony of gannets... (Gwales/Ynys Gwales) | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Holy Island Holy Island, Anglesey Holy Island Cybi') is an island on the western side of the larger Isle of Anglesey, North Wales, from which it is separated by a narrow, winding channel. It is called "Holy" because of the high concentration of standing stones, burial chambers and other religious sites on the small island. The... (Ynys Gybi) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Middle Head | Gower Gower Peninsula Gower or the Gower Peninsula is a peninsula in south Wales, jutting from the coast into the Bristol Channel, and administratively part of the City and County of Swansea. Locally it is known as "Gower"... (tidal island) |
| Middle Mouse Middle Mouse Middle Mouse is an uninhabited island situated 1 kilometre off the north coast of Anglesey. It is notable as the northernmost point of Wales. The island measures a maximum of 207 metres by 110 metres, with a maximum area of 3.7 acres and has a maximum altitude of 16 metres above sea level... (Ynys Badrig) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Midland Isle | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Mumbles Head Island (Y Mwmbwls) | Gower Gower Peninsula Gower or the Gower Peninsula is a peninsula in south Wales, jutting from the coast into the Bristol Channel, and administratively part of the City and County of Swansea. Locally it is known as "Gower"... (tidal island) |
| North Stack North Stack North Stack is a small island situated just off Holy Island on the north-west coast of Anglesey.North Stack can also refer to the headland opposite the island... (Ynys Arw) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Puffin Island Puffin Island, Anglesey Puffin Island is an uninhabited island off the eastern tip of Anglesey, Wales. It was formerly known as Priestholm in English and Ynys Lannog in Welsh.-Geography:... (Ynys Seiriol) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Ramsey Island Ramsey Island Ramsey Island is an island about 1 km off the coast of the St David's peninsula in Pembrokeshire on the northern side of St Brides Bay, in southwest Wales.... (Ynys Dewi) | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| St Catherine's Island St Catherine's Island St Catherine's Island is a small tidal island linked to Tenby in Pembrokeshire, Wales, by a beach at low tide. The island is home to a Palmerston fort, constructed to protect Pembroke Dock and completed in 1870. In 1907, the island was sold privately for 500 pounds. St... (Ynys Catrin) | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| St Margaret's Island St Margaret's Island St Margaret's Island is a small island adjoining Caldey Island in Carmarthen Bay, Wales. Its name derives from a chapel that once stood on the site; however, in Victorian times this was converted into housing for local quarry workers, who mined limestone on the island until 1851.St Margaret's... (Ynys Farged) | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| St Tudwal's Island East (Ynys Tudwal Fach) | St Tudwal's Islands |
| St Tudwal's Island West (Ynys Tudwal Fawr) | St Tudwal's Islands |
| Salt Island Salt Island, Anglesey Salt Island is an island joined to Holy Island, itself an island joined to Anglesey in North Wales. It is a natural provider of shelter for the towns Old Harbour from the Irish Sea and is also where the ferries to Dublin sail from.-History:... (Ynys yr Halen) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Sheep Island | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| The Skerries (Ynysoedd y Moelrhoniaid) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Skokholm Island (Ynys Sgoc-holm) | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Skomer Island (Ynys Skomer) | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| South Stack South Stack South Stack is an island situated just off Holy Island on the North West coast of Anglesey. It is famous as the location of one of Wales' most spectacular lighthouses.-South Stack Lighthouse:... (Ynys Lawd) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Sully Island 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 7 miles south of the Welsh capital city of Cardiff... | Vale of Glamorgan Vale of Glamorgan The Vale of Glamorgan is a county borough in Wales; an exceptionally rich agricultural area, it lies in the southern part of Glamorgan, South Wales... (tidal island) |
| Thorn Island Thorn Island Thorn Island is in the Community of Angle off the south west coast of Wales. The island is dominated by a fort that was built to defend Milford Haven from the French Navy. The Angle lifeboat received silver medals in 1878 rescuing the crew of the Loch Shiel on rocks near the island which carried... | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Tusker Rock Tusker Rock Tusker Rock is a rock in the Bristol Channel, situated about 2 miles west of Ogmore-by-Sea, Bridgend, Wales. It takes its name from Tuska the Viking, a Dane whose fellow Vikings semi-colonised the Vale of Glamorgan.... | Vale of Glamorgan Vale of Glamorgan The Vale of Glamorgan is a county borough in Wales; an exceptionally rich agricultural area, it lies in the southern part of Glamorgan, South Wales... |
| West Mouse West Mouse West Mouse is an islet lying off the north-east coast of Anglesey, Wales. Its maximum dimensions are , with an area of .... (Maen y Bugail) | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Worms Head (Rhosili) | Gower Gower Peninsula Gower or the Gower Peninsula is a peninsula in south Wales, jutting from the coast into the Bristol Channel, and administratively part of the City and County of Swansea. Locally it is known as "Gower"... (tidal island) |
| Ynys Beri Ynys Bery Ynys Bery is a small island south of Ramsey Island, Pembrokeshire, Wales.It is the site of a shipwreck: the S.S. Graffoe struck Ramsey Island and sank at the northern end of Ynys Bery in 1903. It lies at a depth of 15 metres, and is one of many Pembrokeshire wrecks popular with divers... | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Ynys Cantwr Ynys Cantwr Ynys Cantwr is a small tidal island south of Ramsey Island, Pembrokeshire, Wales. Its highest point is 55 metres.- External links :*... | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Ynys Castell Ynys Castell Ynys Castell is a small island in the Menai Strait which separates Anglesey and mainland Wales. It is an extruding piece of Precambrian schist lying to one side of the Afon Cadnant estuary. It lies between Ynys y Bîg and Ynys Gaint. There is a causeway running to the island that is covered at high... | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Ynys Dulas Ynys Dulas Ynys Dulas is a small island located off the north-east coast of Anglesey , Wales. It is the most eastern part of the parish of Llaneilian.The island is situated about a mile and a half offshore, within Dulas Bay... | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Ynys Eilun & Pont yr Eilun Ynys Eilun Ynys Eilun and Pont yr Eilun are two islets south-east of Ramsey Island, Pembrokeshire, Wales.... | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Ynys Faelog | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Ynys Feurig Ynys Feurig Ynys Feurig is the name for a set of three small inter-connected low-lying inshore tidal rocky islets , lying off from the west coast of Anglesey, North Wales, just north of the village of Rhosneigr and south of RAF Valley airfield. They are also known by the English name Starvation Island... | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Ynys Gaint Ynys Gaint Ynys Gaint is a small island in the Menai Strait connected to the town of Menai Bridge on Anglesey by a causeway and also a concrete bridge erected by Sir Guy Fison in the 1930s.... | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Ynys Gifftan Ynys Gifftan Ynys Gifftan is an island in the Traeth Bach estuary near Portmeirion in Gwynedd, north Wales. It can be reached at low tide and is high.- External links :*... | Gwynedd Gwynedd Gwynedd is a county in north-west Wales, named after the old Kingdom of Gwynedd. Although the second biggest in terms of geographical area, it is also one of the most sparsely populated... |
| Ynys Gored Goch Ynys Gored Goch Ynys Gored Goch is a small island in the Menai Strait between Gwynedd and Anglesey in North Wales. It is situated in the stretch of the strait called the Swellies between Thomas Telford's Menai Suspension Bridge and Robert Stephenson's Britannia Bridge.Most of the island is occupied by a single... | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Ynys Gwelltog Ynys Gwelltog Ynys Gwelltog is a small tidal island south of Ramsey Island, Pembrokeshire, Wales.Its highest point is 53 metres. Ynys Gwelltog translates as 'Grassy Island'.- External links :... | Pembrokeshire Pembrokeshire Pembrokeshire is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east. The county town is Haverfordwest where Pembrokeshire County Council is headquartered.... |
| Ynys Llanddwyn Ynys Llanddwyn Ynys Llanddwyn or Llanddwyn Island is a small tidal island off the west coast of Anglesey, North Wales. The nearest town is Newborough.-Geology and geography:... | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Ynys Lochtyn Ynys Lochtyn Ynys Lochtyn is a tiny island on the coast of Cardigan Bay, Wales, between the town of New Quay, Ceredigion and the village of Llangrannog.At low-tide it is possible to visit the island by using a short section of the Ceredigion Coast Path to gain access to the area of sea cliffs on a peninsula... | Ceredigion Ceredigion Ceredigion is a county and former kingdom in mid-west Wales. As Cardiganshire , it was created in 1282, and was reconstituted as a county under that name in 1996, reverting to Ceredigion a day later... |
| Ynys Moelfre Ynys Moelfre Ynys Moelfre is a small island off the coast of Anglesey, Wales. At low tide it has a maximum length of 261 metres and a maximum width of 121 metres with a maximum area of... | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
| Ynys y Bîg Ynys y Bîg Ynys y Bîg is a small private island in the Menai Strait attached to the island of Anglesey by a short causeway. The causeway runs from the grounds of a private house, itself also called Ynys y Bîg, preventing any public access.... | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... |
Largest islands in Wales
| Island | Area (sq mi) | Area (km²) | |
| 1 | Anglesey Anglesey Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales... | 260.37 | 674.36 |
| 2 | Holy Island Holy Island, Anglesey Holy Island Cybi') is an island on the western side of the larger Isle of Anglesey, North Wales, from which it is separated by a narrow, winding channel. It is called "Holy" because of the high concentration of standing stones, burial chambers and other religious sites on the small island. The... | 15.22 | 39.44 |
| 3 | Skomer Island | 1.12 | 2.90 |
| 4 | Ramsey Island Ramsey Island Ramsey Island is an island about 1 km off the coast of the St David's peninsula in Pembrokeshire on the northern side of St Brides Bay, in southwest Wales.... | 0.99 | 2.58 |
| 5 | Caldey Island Caldey Island Caldey Island lies south of Tenby in Pembrokeshire, Wales.The island is home to a small village, but is best known for its monastery. Caldey Island is separated from the mainland by the Caldey Sound which is 1 km to 2 km wide between Caldey Island and the coast of Pembrokeshire... | 0.84 | 2.18 |
| 6 | Bardsey Island Bardsey Island Bardsey Island , the legendary "Island of 20,000 saints", lies off the Llŷn Peninsula in the Welsh county of Gwynedd. The Welsh name means "The Island in the Currents", although its English name refers to the "Island of the Bards", or possibly the island of the Viking chieftan, "Barda". It is ... | 0.76 | 1.99 |
| 7 | Skokholm Skokholm Skokholm is an uninhabited island off the coast of south west Pembrokeshire in Wales, lying south of the neighbouring island of Skomer. The whole island is a Site of Special Scientific Interest as is Skomer. The surrounding waters are a marine reserve, all part of the Pembrokeshire Coast National... | 0.41 | 1.06 |
| 8 | Flat Holm Flat Holm Flat Holm is a limestone island lying in the Bristol Channel approximately from Lavernock Point in the Vale of Glamorgan, but in the City and County of Cardiff. It includes the most southerly point of Wales.... | 0.13 | 0.33 |
| 9 | Puffin Island Puffin Island, Anglesey Puffin Island is an uninhabited island off the eastern tip of Anglesey, Wales. It was formerly known as Priestholm in English and Ynys Lannog in Welsh.-Geography:... | 0.11 | 0.28 |
| 10 | Cardigan Island Cardigan Island Cardigan Island is a small, uninhabited island lying north of Cardigan, in Ceredigion, south-west Wales. It reaches a height of 52 m a.s.l.... | 0.06 | 0.15 |
See also
- List of the British Isles