This is a list of

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 ...

s of

Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...

, the mainland of which is part of

Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It ...

, as well as a table of the largest Welsh islands by area. The list includes

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 ...

s such as

Sully Island Sully Island ( cy, Ynys Sili) is a small tidal island and Site of Special Scientific Interest at the hamlet of Swanbridge, Vale of Glamorgan, off the northern coast of the Bristol Channel, midway between the towns of Penarth and Barry and sou ...

but not locations such as Shell Island which, though they are termed islands, are peninsulas.

Largest islands in Wales

Inland islands

There are no islands of any great size in lakes in Wales. The

crannog A crannog (; ga, crannóg ; gd, crannag ) is typically a partially or entirely artificial island, usually built in lakes and estuarine waters of Scotland, Wales, and Ireland. Unlike the prehistoric pile dwellings around the Alps, which were bu ...

in Llangorse Lake is an artificial island. Several reservoirs contain islets e.g. Llyn Brenig, Elan Valley Reservoirs and Llyn Trawsfynydd, the last named having the largest and most numerous, though some are linked by causeways.

Places called "island" or "ynys" that are not islands

Some places around the Welsh coast are called island or (Welsh) ynys, but are not. Caution is required in that whilst 'ynys' most commonly translates as island, it has other meanings too. Some of these named places were formerly islands surrounded by

marshland A marsh is a wetland that is dominated by herbaceous rather than woody plant species.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p Marshes can often be found at ...

. Others are

peninsula A peninsula (; ) is a landform that extends from a mainland and is surrounded by water on most, but not all of its borders. A peninsula is also sometimes defined as a piece of land bordered by water on three of its sides. Peninsulas exist on a ...

s or just coastal settlements. They include: *

Barry Island Barry Island ( cy, Ynys y Barri) is a district, peninsula and seaside resort, forming part of the town of Barry in the Vale of Glamorgan, South Wales. It is named after the 6th century Saint Baruc. Barry's stretch of coast, on the Bristol Chan ...

(tidal island until the construction of Barry Docks in the 1880s) * Berges Island, peninsula at Whitford Burrows, Gower * Dinas Island, peninsula on

Pembrokeshire Pembrokeshire ( ; cy, Sir Benfro ) is a county in the south-west of Wales. It is bordered by Carmarthenshire to the east, Ceredigion to the northeast, and the rest by sea. The county is home to Pembrokeshire Coast National Park. The Park oc ...

coast * Farchynys, locality beside Mawddach estuary, Bontddu,

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

* Little Island, peninsula at the west end of the former Barry Island * Shell Island * Traeth Mawr - there are multiple examples of names including 'ynys' around Traeth Mawr, the now drained estuarine flats of the

Afon Glaslyn The Afon Glaslyn (English, ''River Glaslyn'') is a river in Gwynedd, north-west Wales. While not of great significance in terms of its length (about ), it is one of Gwynedd's primary rivers, and has greatly influenced the landscape in which it ...

, Gwynedd, including Hir Ynys, Ynys y Gwely, Ynys Ceiliog, Ynys Fawr, Ynys-fach and Ynys Fer-las. * Ynys, hamlet on an area of raised ground known as Ynys Llanfihangel-y-traethau at Morfa Harlech, Gwynedd * Ynys and nearby Ynys-fach on coast south of Dinas Dinlle, Gwynedd * Ynyslas, locality at

Borth Borth ( cy, Y Borth) is a village and seaside resort in Ceredigion, Mid Wales, 7 miles (11 km) north of Aberystwyth on the Ceredigion Coast Path. The community includes the settlement of Ynyslas. The population was 1,399 in 2011. From be ...

, north

Ceredigion Ceredigion ( , , ) is a county in the west of Wales, corresponding to the historic county of Cardiganshire. During the second half of the first millennium Ceredigion was a minor kingdom. It has been administered as a county since 1282. Cer ...

- there are multiple examples of names including 'ynys' around the Dovey estuary including Ynys Tachwedd, Ynysfergi, Ynys Greigiog, Ynys-hir, Ynys Edwin, Ynys-Eidiol and simple 'Ynys'. * Ynys Leurad, a small peninsula near

Four Mile Bridge Four Mile Bridge ( cy, Pontrhydybont / / ) is a village spanning both sides of the Cymyran Strait in Wales, connecting Holy Island with Anglesey, and is approximately southeast of Holyhead. The village is quite small and is split between t ...

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

References

{{DEFAULTSORT:List Of Islands Of Wales Islands of Wales

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

Largest islands in Wales

Inland islands

Places called "island" or "ynys" that are not islands

See also

References