Mew Island Lighthouse

Overview

Mew Island Lighthouse sits on the outermost of the Copeland Islands, three rugged isles off the coast of Donaghadee. At 37 metres tall, the white‑banded stone tower dominates the southern entrance to Belfast Lough and flashes a distinctive four‑flash white signal every 30 seconds. Although the light is now a solar‑powered LED, the lighthouse remains an iconic piece of maritime heritage and a thriving bird‑watching station run by the volunteer Copeland Bird Observatory.

Early Lights and Precursors

The Copeland group of islands has guided mariners since the early 18th century. In 1711 a simple coal‑burning brazier was erected on what is now known as Lighthouse Island (the lesser Copeland Island). It was one of only four cottage‑type coal‑burning lights around the Irish coast, the others being at Loop Head, Old Head of Kinsale and Howth Head. By 1796 Thomas Rogers added a six‑foot‑diameter lantern to the existing square tower and switched the fuel to oil. After the 1810 transfer of lighthouse responsibility to the Corporation for Improving the Port of Dublin, George Halpin built a new 52‑ft stone tower beside the old one, lit on 24 January 1815 with 27 Argand oil lamps. These early lights proved inadequate as Belfast’s linen trade and shipbuilding boom accelerated, prompting the Belfast Harbour Commissioners to request a better‑situated beacon on Mew Island in 1875.

Historical Timeline

• 1667 – First lighthouse erected on Lighthouse Island (cottage‑type coal brazier).
• 1711 – Coal‑burning brazier officially recorded.
• 1796 – Six‑foot lantern added; fuel changed to oil.
• 1810 – Management transferred to the Corporation for Improving the Port of Dublin.
• 1815 (24 Jan) – New 52‑ft stone tower on Lighthouse Island lit with 27 Argand lamps.
• 1875 – Belfast Harbour Commissioners request a new light on Mew Island.
• 1882–1884 – Construction of the present tower, designed by William Douglass; commissioned 1 Nov 1884.
• 1928 – Original first‑order Fresnel lens replaced by a bi‑form hyper‑radial optic salvaged from Tory Island.
• 1969 (July) – Electrification; range extended to 30 nm.
• 1991 (June) – Diaphone fog signal de‑commissioned.
• 1993 (1 Mar) – Radar‑responsive beacon (Racon) installed (Morse ‘O’).
• 1996 (Mar) – Full automation; keepers withdrawn.
• 2015 (Nov) – Hyper‑radial optic removed for restoration.
• 2016 – Heritage Fund award secured for optic restoration.
• 2018 (8 Mar) – Restored optic displayed as The Great Light on the Titanic Walkway, Belfast.
• 2015 (Mar) – Solar‑powered LED installed, operating year‑round.

Optic Heritage & Restoration

The hyper‑radial Fresnel lens that once powered Mew Island is one of only three of its type in Ireland and one of just 18 worldwide. At seven metres tall, nearly three metres wide and weighing around 10 tonnes, it ranks among the largest lighthouse optics ever built. In 2016 the National Lottery Heritage Fund awarded a grant to restore the lens and create a purpose‑built replica lantern‑room on the Titanic Walkway in Belfast’s Maritime Mile. The restored exhibit, known as The Great Light, opened to the public on 8 March 2018 and is free to visit. It tells the story of lighthouse engineering, the role of the optic in Belfast’s maritime trade, and the collaborative effort that saved this rare artefact.

Birdlife & Volunteer Opportunities

The island is a designated bird sanctuary managed by the volunteer‑run Copeland Bird Observatory. Spring (April–May) and autumn (September–October) migrations bring large colonies of razorbills, guillemots, kittiwakes and wintering waders such as curlews, oystercatchers and red‑knots. The observatory runs regular surveys; volunteers live in the former keeper’s house, which provides modest accommodation for those undertaking research or assisting with counts. Applications are made through the National Trust’s Copeland Islands page. The island’s strong tidal currents create rich feeding grounds, making it a prime location for seabird watching.

Location & Access

Mew Island is reachable only by boat from Donaghadee harbour. The crossing takes about 15 minutes in calm conditions; the surrounding currents are notoriously strong, so operators advise checking the weather forecast before setting out. Donaghadee offers free parking on the harbour promenade, several cafés, and a visitor information desk where up‑to‑date boat timetables can be obtained. There is no public landing on Mew Island – access is limited to volunteers, researchers and members of the bird observatory.

Boat Tour Operators

Local operators run short sightseeing trips that circle the Copeland Islands, providing excellent photographic angles of the lighthouse and seabird colonies. Names and exact schedules vary seasonally; the most current information can be obtained from the Donaghadee Harbour office or the National Trust’s Copeland Islands page.

Visiting the Lighthouse (Boat Tours)

Mew Island is not open to the general public; landing is restricted to volunteers and researchers associated with the bird observatory. However, the islands can be viewed from a boat departing from Donaghadee harbour. Several local operators run sightseeing trips that circle the Copeland Islands, offering excellent angles of the lighthouse and the surrounding seabird colonies. Boats typically take about 15 minutes each way and operate best in calm weather, as the surrounding currents are strong. Visitors should plan their trip from Donaghadee, where parking and cafés are available.

Boat Tour Operators

Names and timetables vary seasonally. The most up‑to‑date information can be obtained from the Donaghadee Harbour office or the National Trust’s Copeland Islands page.

Practical Information

Getting there – Boats to the Copeland Islands depart from Donaghadee (County Down). The crossing takes about 15 minutes and is best attempted in calm weather, as the surrounding currents are strong. No parking or facilities exist on Mew Island itself; visitors should plan their trip from Donaghadee, where parking and cafés are available.

Accessibility – The lighthouse tower is not equipped for wheelchair access, and the steep, uneven terrain of the island limits mobility. The bird‑observatory facilities are modest and intended for volunteers familiar with the site.

Nearby attractions – While in Donaghadee, explore the historic harbour, the 19th‑century Donaghadee lighthouse, and the charming seaside promenade. A short drive brings you to the Titanic Quarter in Belfast, where The Great Light and other maritime museums await. The historic Ballycopeland Windmill is also a short journey inland and offers a glimpse of 19th‑century milling heritage.

Seasonal notes – The LED system, installed in 2015, operates year‑round, providing a reliable navigational aid regardless of season. The bird observatory sees peak activity during spring and autumn migrations, offering the best chances to observe seabird colonies.

For the most up‑to‑date boat schedules and volunteer opportunities, consult the National Trust’s Copeland Islands page or contact the local Donaghadee harbour office.