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The Real Maps show the results of detailed seabed mapping undertaken by the Geological Survey of Ireland, the Marine Institute and the Petroleum Affairs Division. The offshore surface is made up of marine mapping from the Irish Government INFOMAR (INtegrated Mapping FOr the Sustainable Development of Ireland’s MArine Resource) and INSS (Irish National Seabed Survey) Projects (multibeam and lidar 10m), Petroleum Affairs Division survey of the continental shelf edge, and The General Bathymetric Chart of the Oceans (GEBCO) a global 30 arc-second grid (approx 927m) data. The land elevation data from the SARTEM programme of NASA and NGA (90m Digital Elevation Data) was used for the onshore surface. All of the data used can be downloaded for free.

Download free INFOMAR/INSS/PAD data (5m to 500m)


Download free GEBCO(927M) data

Download free Shuttle Radar Topography Mission (SRTM) 90m Digital Elevation Data


The Real Map of Ireland

The Real Map of Ireland shows Ireland's current designated Irish Continental Shelf (November 2009), which is one of the largest seabed territories in Europe.

The continental shelf is the extension of a state's territorial waters where the natural prolongation of its land territory to the outer edge of the continental margin is beyond 200 nautical miles from the coastline baseline. The coastal state exercises sovereign rights over the continental shelf for the purpose of exploring it and exploiting its natural resources, subject to provisions of Part VI of the United Nations Convention on the Law of the Sea.

Lesson Plans for teachers click here

Download the map in .pdf by clicking here.

Download the map in .pdf by clicking here.

The Real Map of Inishbofin

Click on the image to view in more detail.

The Real Map of West Kerry

Click on the image to view in more detail.

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Dublin 4
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Rinville, Oranmore
Co. Galway
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