Spike Island, County Cork

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Spike Island
Native name: Inis Pic
Entry of Fort Mitchel on Spike Island 1.jpg
Gates of Fort Mitchel on Spike Island
Spike Island, County Cork is located in island of Ireland
Spike Island, County Cork
Spike Island in Ireland
Spike Island
Location Cork Harbour
Coordinates 51°50′05″N 8°17′11″W / 51.8347°N 8.2864°W / 51.8347; -8.2864
Area 0.41 km2 (0.16 sq mi)
Length 0.8 km (0.5 mi)
Width 0.5 km (0.31 mi)
County County Cork

Spike Island (Irish: Inis Píc) is an island of 103 Acres[1] in Cork Harbour, Ireland. Originally the site of a monastic settlement,[2][3] the island is dominated by an 18th-century star fort named Fort Mitchel. The island's strategic location within the harbour meant it was used at times for defence and as a prison, but as of the early 21st century is under development as a heritage tourist attraction.[4]


Early history[edit]

The principal evidence for a monastic foundation on Spike Island comes from Archdall's Moanasticon Hibernicum,[3][5] which states that Saint Mochuada founded a monastery there in the 7th century. While this may be correct, another passage from the "Life of St Mochuada" implies that Mochuada was associated with a place called "Rahen" (rather than Spike).[6] A grant to Saint Thomas's Abbey in Dublin in 1178 of the Church of Saint Rusien on Spike Island[3] may lend credence to a monastic settlement - as the name and date both indicate a Celtic foundation. The ruins of a church are reported to exist on Spike Island in 1774.[7]


The grant to St Thomas's abbey in 1178 coincides with the surrender of lands, including Spike Island, by Diarmid McCarthy King of Desmond to the Normans. In 1182 one Raymond Mangunel was granted or "enfeoffed" Spike Island.[8] There are no further recorded changes in ownership until 1427. In this year, records suggest that William, son of John Reych, granted to John Pyke, amongst other lands and premises, the lands of Innyspyge, in the Comte Cork. In 1490 Thomas Pyke granted to Maurice Ronan of Kinsale, his holdings in Spike Island. In the seventeenth century the island was in the possession of the Roche and Galwey families - until the rebellion of 1641 when these families forfeited possession of the island. Although this forfeiture was reversed on the accession of King Charles II of England in 1660, they did not regain possession. In 1698 the island was in the possession of Arnold Joost van Keppel 1st Earl of Albermarle who had accompanied William of Orange to England in 1688. In 1698 he conveyed the island to William Smith of Ballymore on the Great Island. In the 1770s, the island was in the hands of Nicholas Fitton.[9] It would seem that the government leased part of the island for fortifications in the 1770s while the owner remained in residence - the house only being demolished during the construction of the present fort. Eventually the entire island was rented and there are a number of references in Parliamentary Papers to the payment of rent for the island extending into the 1870s.[citation needed]

Military use and fortification of the island[edit]

Plan of Spike Island

Possibly used by smugglers for a time, a map of circa 1600 clearly shows some form of fortified tower on the island similar to a depiction of Belvelly Castle on the Great Island also shown.[10] The island's location at the entrance to Cork Harbour meant that the island held strategic importance - and it was a significant site in the French intervention following the Glorious Revolution (1689).

Temporary fortification[edit]

The first artillery fortification on the island was built in 1779. Its construction was prompted by the outbreak of the American Revolution in 1775 and in particular[citation needed][11] by the entry of France (1778) and Spain (1779) into the war on the American side. Cork Harbour was used as an assembly point for convoys to the Americas and at one point more than 400 vessels were assembled in the harbour. Additionally, Cork was an important source of supplies for the British forces operating in the West Indies and North America. There was therefore a need to protect the harbour from attackers such as John Paul Jones.[citation needed] The Spike Island Battery was a temporary work and armed with eighteen 24 pounder cannon moved from Cobh Fort. After the Treaty of Paris ended the war in 1783, this temporary work was demolished.[12]

Fort Westmorland[edit]

In 1789 Colonel Charles Vallancey of the Corps of Irish Engineers, who had been made responsible for the fortification of the harbour during the American war, persuaded the then Lord Lieutenant John Fane, 10th Earl of Westmorland to allow the construction of a permanent fortification on Spike Island. This work was undertaken by the Irish Board of Ordnance. In October 1790 the Earl visited the island, and named the incomplete structure Fort Westmorland. In 1793 France declared war on Britain and a conflict began which, with one interlude, would occupy the next two decades. In 1794, on the departure of Westmorland, his successor as Lord Lieutenant, (likely William Fitzwilliam, 4th Earl Fitzwilliam) halted construction of Fort Westmorland. Eventually Vallancey was allowed to continue but the fort was still incomplete in 1797.[12] It was however completed by 1802 as a plan of that date shows.[13] By 1800, this fort was armed with 29 24-pounder guns, two 12-pounder guns and twelve 6-pounder cannon. Also included were two 6-pounder field guns and two 5.5 inch Howitzers. In addition, it also had three 13-inch, two 10-inch, two 8-inch and six 5.5-inch mortars.[14]

New fortress[edit]

The defenses of Cork Harbour faced two threats. Firstly an attack by war-ships forcing an entry in to the harbour - either in a raid to destroy shipping or to effect a landing of troops. Secondly they faced the threat of attack from the land by forces which had been landed at an undefended point along the coast. Just such a landing had been attempted by the French at Bantry Bay in 1796 with a force of fifteen thousand men. While unsuccessful, the attempt greatly alarmed the military. Vallancey was of the belief that had the French actually landed, they would have taken the Cork Harbour forts, including Fort Westmorland.[15]

In 1802, General John Hope, 4th Earl of Hopetoun, recommended that a major fortress be constructed on Spike Island, capable of holding 2,000-3,000 men. He considered Spike Island was for Cork Harbour 'the true point of defense' Lieutenant General David Dundas was consulted by the Duke of York, Commander in Chief, who also recommended that a fortress should be erected on Spike Island. Wiliam Twiss of the Royal Engineers concurred.[16]

In 1801 The Acts of Union came into force and responsibility for fortifications in Ireland passed from the Irish Board of Ordnance, which was abolished, to the Board of Ordnance in London. It was the job of the Board to implement the decision to erect the fortress and it fell to Charles Holloway Commanding Engineer Cork District to begin the works..[11] In 1804 The Hampshire Chronicle reported that the overall height of Spike island had been reduced by 25 feet and the spoil used as infill to create a level foundation.[17] The same paper reported that on the 6th of June 1804 General Sir Eyre Coote had laid the foundation stone of the new fortress.[18]

North-western accommodation block - later used as a prison

Two alternative proposals had been made for accommodation within the fort.[19] One envisaged six barrack blocks, one of which was actually constructed in the fort, this being the officers mess block, The ground floor of these blocks consisted of a series of bombproof brick vaulted rooms. The first floor was slate-roofed and open to destruction in the event of a bombardment. The second proposal was for 6 sets of bombproof casemates set into the ramparts. Two such sets of casemates were actually constructed, these being the north-east and north-west casemates. The second accommodation block to be constructed, the A Block, shows a divergence from the original plan in that the bombproofing is incorporated into the roof. The ground floor of a third block, the B Block, was intended to follow the design of the A block, was erected before the first phase of construction ended (circa 1817). The four magazines were also constructed around this time. A large workforce was employed in the construction, and included both troops and civilian workmen.[20]

Later use[edit]

Later a prison and convict depot, the island was used to house "convicts" prior to penal transportation. It gained a reputation as "Ireland's Alcatraz".[4] It remained in use as a garrison and prison through the Irish War of Independence, when IRA prisoners were held there. Richard Barrett was among those detained there, but escaped during the truce of 1921.

On 6 December 1921, the Anglo Irish Treaty was concluded. It provided for the establishment of the Irish Free State which happened on 6 December 1922. The Treaty included provisions by which the British would retain sovereignty over three strategically important ports known as the Treaty ports, one of which being described in the Treaty as:[21]


(b) Harbour defences to remain in charge of British care and maintenance parties. Certain mooring buoys to be retained for use of His Majesty's ships.

A member of the British Army (with family) departing following the cession of Spike Island (July 1938)

Accordingly, even after the establishment of the Irish Free State, the Royal Navy continued to maintain its presence at Spike Island. Spike Island remained under British sovereignty until 11 July 1938 when, pursuant to the Anglo-Irish Trade Agreement of 25 April 1938, the territory was ceded to Ireland. The hand-over ceremonies were attended by senior military and political figures, including Eamon de Valera and Frank Aiken.[22]

History since handover[edit]

Following its handover to Ireland, the island's installations were renamed Fort Mitchel - after John Mitchel, nationalist activist and political journalist who was held on the island for a time.[23] (Similar Treaty Port fortifications at Fort Camden and Fort Carlisle were similarly renamed to Fort Meagher and Fort Davis respectively.)[24] The island remained the site of a prison and military base (for the regular Irish Army, the FCÁ and later the Navy) for some time. Late into the 20th century it was used as a youth correctional facility. On 1 September 1985 inmates rioted and, as a subsequent Dáil committee reported, "civilians, prison officers and the Gardai on the Island were virtual prisoners of the criminals".[25] During the riot, one of the accommodation blocks, Block A, caught fire and is known as the Burnt Block. This prison facility closed in 2004.[1]

The island also had a small civilian population; a small school, church and ferry (launch) service to Cobh served the population. The island is known locally for having excellent earth for growing crops.[citation needed] The civilian population has since left the island however, with many previous residents moving to nearby Cobh.[citation needed]

Tourism development[edit]

In May 2006 the then Minister for Justice Michael McDowell announced plans to build a new prison on the island. However, in January 2007, it was decided to explore an alternative site for the new prison, and a local task group was set up to re-open Spike as a historical tourist site. In 2009 it was announced that ownership of the island would be transferred (free of charge) to Cork County Council to enable its development as a tourist attraction.[26] The Council formed a steering group to explore how Spike Island might be developed as a tourist site,[27] and the Council subsequently licensed operators to give guided tours of the island.

Six inch coastal defence gun in casemate in the fort

Tours now depart from Cobh during the summer,[28] taking in the fort, prison cells, and gun emplacements. There is a café in the former prison gym which caters to visitors.[citation needed]


  1. ^ a b "Hopes for Alcatraz-style tourism after handover of Cork's Spike Island". Irish Times. 29 July 2009. 
  2. ^ "History - Island sanctuary". Spikeislandcork.ie. Retrieved 30 April 2015. 
  3. ^ a b c Coleman, James (1893). "The story of Spike Island (with note by G. E. H. Barrett-Hamilton)". Journal of the Cork Historical and Archaeological Society. 1 (Cork Historical and Archaeological Society) II: 1–8. 
  4. ^ a b "Plan to unlock potential of 'Ireland's Alcatraz'". Irish Independent. 29 July 2009. 
  5. ^ Martin, Michael (2007). Spike Island: Saints, Felons and Famine. Dublin: The History Press. ISBN 184588910X. 
  6. ^ "Life of St Mochuda". Irish Text Society. Retrieved 7 September 2015. An angel came to Mochuda at Rahen on another occasion announcing to him / the command of God that he should go that same day to Mac Fhiodaig, king of his own region of Kerry Luachra,and administer to him / Holy Communion and Confession as he was on the point of death. Mochuda asked the angel how he could reach Kerry that day / from Rahen. The angel thereupon (for reply) took him up through the air in a fiery chariot until they arrived at the king's residence 
  7. ^ Q, J.C. (1936). "The Early Monastic Associations of Spike Island". Journal of the Cork Historical and Archeological Society. 2 XLI: 47–48. 
  8. ^ Jefferies, Hennery A (1986). "The Founding of Anglo Norman Cork". Journal of the Cork Historicaland Archeological Society. 
  9. ^ Coleman, James (1893). "The Story of Spike Island". Journal of the Cork Historical and Archaeological Society. 
  10. ^ Hayes McCoy, Gerard Anthony (1964). Ulster and Other Maps. National Library of Ireland: Stationary Office Dublin. pp. 25 Kinsale and Cork Harbours. 
  11. ^ a b Hartnett, Julian (2006). Fortress Ireland. Cork City Library: Wordwell Ltd. ISBN 1 869857 95 X. 
  12. ^ a b Hartnett, Julian (2006). Fortress Ireland. Wordwell Ltd. p. 42. ISBN 1 869857 95X. 
  13. ^ National Archives London MPH 1/158/1
  14. ^ Hartnett, Julian (2006). Fortress Ireland. Cork City Library: Wordwell Ltd. p. 55. ISBN 1 869857 95X. 
  15. ^ Hartnett, Julian (2006). Fortress Ireland. 46: Wordwell Ltd. ISBN 1 869857 95X. 
  16. ^ Hartnett, Julian (2006). Fortress Ireland. 60: Wordwell Ltd. ISBN 1 869857 95X. 
  17. ^ "Hampshire Journal (Newspaper)". 21 May 1804. 
  18. ^ "Hampshire Chronicle". 24 June 1804. 
  19. ^ Public Record Office Kew London MPH 1/203/3
  20. ^ Hartnett, Julian (2006). Fortress Ireland. Wordwell Ltd. p. 92. ISBN 1 869857 95X. 
  21. ^ Anglo Irish Treaty
  22. ^ "Cork Forts Handed Over". The Times. 12 July 1938. 
  23. ^ "Cork Harbour: Spike Island". Passage West Town Council. 
  24. ^ "A Yankee and Rebel Side by Side in Cork Harbour". Irish in the American Civil War. Retrieved 5 June 2014. 
  25. ^ Dáil Select Committee on Criminal Lawlessness and Vandalism (1986). "Report No. 11 - Disturbance at Fort Mitchel prison, Spike Island on the 1st September 1985". Oireachtas. Retrieved 11 December 2011. 
  26. ^ "BreakingNews.ie - Spike Island to become tourist attraction". Thomas Crosbie Media. 28 July 2009. 
  27. ^ "Press Release - "Spike Island, Cork Harbour - Unlocking the Potential"". Cork County Council. Archived from the original on 3 December 2013. 
  28. ^ "Where is Spike Island?". Spike Island Project. Retrieved 30 April 2015. 

External links[edit]

Coordinates: 51°50′N 8°17′W / 51.833°N 8.283°W / 51.833; -8.283