Ireland

Achill Island

Achill Island (; Irish: Acaill, Oileán Acla) is located off the west coast of Ireland in the historical barony of Burrishoole, County Mayo. It is the largest of the Irish isles and has an area of approximately 148 km2 (57 sq mi).

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Typesea island
Area148.3244 km²
Population2569
Location53.95215, -10.08654
Highest point688.0 m

Part of the Ireland islands map.

Names

Scottish Gaelic: Acaill; Irish: Acaill; Welsh: Ynys Achill; Manx: Aghill; French: île d'Achill

Geology

Contains British Geological Survey materials © UKRI 2026, licensed under the BGS Open Data Licence (OGL v3.0). Source: BGS DigMapGB-625 Bedrock & Superficial WMS.

Nearby and related islands

Arranmore
Bere Island
Cape Clear Island
Clare Island
Gorumna Island
Grassholm
Great Island
Haulbowline

Sources

Wikidata · Q631581 · CC0

Last reviewed: 2026-08-13.