The Copeland Islands is a group of three islands in the north Irish Sea, north of Donaghadee, County Down, Northern Ireland consisting of Lighthouse, Mew and Copeland Island. They lie within the civil parish of Bangor.
The Copeland Islands most likely derive their name from the de Coupland family, who settled in the Newtownards peninsula area along with other Normans in the 12th century. This family also lent their name to other landmarks in the vicinity such as Copeland Water near Carrickfergus and the townland of Ballycopeland in the civil parish of Donaghadee.
The earliest possible recorded name for the islands however may be the Old Norse Kaupmanneyjar (kaupmann meaning "merchant" and ey meaning "island"), recorded in the Norse Hakonar Saga Gamla, and dated to 1230. It has been suggested that "Kaupmann" developed into "Copman" and then into "Copeland", with the form "Copman" recorded several times in the late 16th century in reference to the islands.
The original Irish name for the islands is unknown, however it has been suggested that the 1570c usage of "Helaine Harr[o]n[e]" may be an attempt at Anglicising the Irish name Oileáin Árann (island of the (kidney-shaped) ridge). The modern Irish name however is a Gaelicisation of Copeland Islands into Oileáin Chóplainn.
There are three islands included in the Copeland Islands: the Big Island, the Lighthouse Island (which does not have a lighthouse now) and Mew Island which does have a lighthouse. Over a century ago the Lighthouse Island had a population of about 100, including a school master with 28 pupils. In 1671 James Ross obtained a fee farm grant of these and in 1770 David Kerr purchased the islands from the Earl of Clanbrassil. As the islands were a danger to ships a light beacon was made on the Lighhouse Island (Cross Island) in about 1715, it burned over 400 tons of coal every year. In 1796 the new British and Irish Lighthouse Board announced the erection of oil lamps and in 1813 the new lighthouse was built. In 1884 a new lighthouse was built on Mew Island. In 1954 the Bird Observatory was established by Arnold Bennington.
Until the 20th century, the islands were used by smugglers who brought tobacco and spirits through the islands and into County Down.
Area of Special Scientific Interest (ASSI)
Copeland Islands ASSI is located off the County Down coast of Northern Ireland and comprises Big Copeland, Lighthouse Island and Mew Island. The islands are important sites for breeding seabirds and waders, in addition to their coastal plant communities and geological features.
Big Copeland supports the most diverse range of habitats of the three islands. Communities influenced by the sea are found around the shore with maritime cliff vegetation and pockets of salt marsh also present. The centre of the island is occupied by semi-improved wet grassland with frequent areas of marsh.
The vegetation on Light House Island consists of short rabbit grazed turf with large areas of rank bracken (Pteridium aquilinum) and Himalayan balsam (Impatiens glandulifera). Notable species include English stonecrop (Sedum anglicum), rock sea-spurrey (Spergularia rupicola), Scots lovage (Ligusticum scoticum) and sea purslane (Halimione portulacoides). Lighthouse Island represents the southern limit for Scots lovage in Europe and the northern limit for sea purslane in Ireland. Other plants on the islands include Hyacinthoides non-scripta, Hyacinthoides hispanica, Dactylorhiza purpurella and Centaurium erythraea.
Mew Island is dominated by rank stands of grass and bracken but, as on all the islands, notable areas of inter-tidal and exposed rock habitat are present.
The marine algae of the Lighthouse Island and the Mew Islands was studied in 1975 and the 56 species, or genera, identified were listed and published.
19 species of lichens were collected in 1984, the identifications were confirmed or corrected by Dr. A. Fletcher. As far as is known these are the only records of lichens from the Lighthouse Island.
- Lecanora atra (Huds.) Ach.
- Lecanora gangaleoides (Nyl.)
- Ochrolechia parella (L.) Massel
- Parmelia caperata (L.) Ach.
- Ramalina siliquosa (Huds.) A.L.Sm.
- Xanthoria parietina (L.) Th. Fr.
- Anaptychia fusca (Huds.) Vainio
- Diplotomma chlorophaeum (Hepp ex Mull.Argh.) Szat.
- Lecanora ploytropa (Hoffm.) Rabenh.
- Lecanora rupicola (L.) Zahlbr.
- Lecidella subincongrua (Nyl.) Hertel and Luckert
- Ochrolechia parella (L.) Massel
- Parmelia sulcata Taylor
- Polysporina simplex (Davies) Vezda
- Rhizocarpon constrictum Malme
- Rhizocarpon geographicum (L.) DC
- Verrucaria ditmarsica Erichen
- Verrucaria maura Wahlenb.
The islands are internationally important sites for breeding populations of Manx shearwater and Arctic tern and nationally important sites for breeding Mediterranean gull, common gull and eider duck. The Manx shearwater colony on Copeland Islands holds more than 1.7% of the world population. The colony is in excess of four thousand pairs. The rabbit populations on the islands play an important role in the breeding success of the Manx shearwater as the latter mainly nest in the rabbit burrows that honeycomb the islands. Grazing by rabbits maintains a short sward, which is desirable for the fledglings.
the Great Copeland has an internationally important Arctic tern colony, with some 550 pairs. The site now represents the largest colony for this species in Ireland. Mew Island has been an important tern colony in the past and it is hoped that positive management will encourage terns to become re-established. The islands are the most important breeding sites in Northern Ireland for common gull with over 250 pairs present. Big Copeland has recently held Northern Ireland’s first successful breeding pair of Mediterranean gull. The islands are home to a nationally important population of breeding eider duck. In total the three islands account for 14% of the Irish population. Non-breeding eider form part of the nationally important population that occurs along the Outer Ards coast and Belfast Lough areas.
Other breeding colonies of note include black guillemot, water rail and stock dove. The latter species has suffered a dramatic decline in Northern Ireland, but numbers have increased on Copeland with some 100 pairs now breeding. Breeding waders such as lapwing and snipe may be found further inland. Here the taller vegetation, interspersed with open areas, provides an ideal breeding habitat. Birds of prey favour the islands when the breeding season is over. Hen harrier, sparrowhawk, buzzard, kestrel, merlin and peregrine falcon are all seen regularly.
Mammals, such as the grey seal, common seal, harbour porpoise (Phocoena phocoena), bottlenose dolphin (Tursiops truncates), minke whale (Balaenoptera acutorostrata), harbor seal (Phoca vitulina), common dolphin (Delphinus delphis) and otter (Lutra lutra) have been reported from the Copeland Islands.
Lepidoptera have also been recorded. 19 species of butterflies, 31 species of macro-Lepidoptera and three species of micro-Lepidoptera. 
There is public passenger boat service to the islands during the summer months from Donaghadee harbour, allowing a visit of a few hours.
Mew Island (Lighthouse Island)
A light station was established in the early 18th century and a lighthouse built in 1815. It has been inactive since 1884 but the ruined stump of the 16 m (52 ft) stone tower remains. The ruins of the keeper's house have been rebuilt to house a bird observatory. The lighthouse was abandoned in favor of the Mew Island Light to the north. The island is now owned by the National Trust and operated by the volunteer members of the Copeland Bird Observatory. Overnight accommodation is available but only by arrangement with the Bird Observatory. Located on Lesser Copeland Island, also called Lighthouse Island, a small island off Copeland Island about 7 km (4 mi) north of Donaghadee. Accessible only by boat. Site open, tower closed.
- Hughes and Hannan: Place-Names of Northern Ireland, Volume Two, County Down II, The Ards, The Queen's University of Belfast, 1992. ISBN 085389-450-7
- Deane, C. (1983). Copeland Islands in "The Ulster Countryside." Century Books.
- Hackney, P. editor. Stewart & Corry's Flora of the North-east of Ireland. Institute of Irish Studies, The Queen's University of Belfast. ISBN 0 85389 446 9(HB)
- anon. 2010. Annual Report for 2010. Copeland Bird Observatory 2010
- Morton, O. 1976 Copeland Islands Bird Observatory Report
- Morton, O. 1988. Lichens on Lighthouse Island. Copeland Bird Observatory Annual Report for 1986p.44
- McKee,N. Mammal Report in Wolsey,S. (ed) 2012. Copeland Bird Observatory Annual Report 2010
- Lyons, J. 2009 in Wolsey,S. (ed) 2012. Copeland Bird Observatory Annual Report 2010
- Environment and Heritage Service
- Rowlett, Russ. "Lighthouses of Northern Ireland". The Lighthouse Directory. University of North Carolina at Chapel Hill.