St Caimin’s Church on Inis Cealtra, a roofed stone church with a round-arched doorway, with the island’s round tower rising behind it under a cloudy sky. , show larger (1 of 4)
Photo: Deadstar · CC BY-SA 3.0
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Island Co. Clare

Holy Island (Inis Cealtra)

Irish name: Inis Cealtra

An uninhabited monastic island 2 km from Mountshannon, with a round tower, ruined churches and more than a thousand years of history.

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Inis Cealtra jetty

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Public jetty · visitor access not yet checked

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Report space · Seven-day history

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About this mooring

Small landing jetty used by the tour boats; use by private boats not confirmed. Many crews anchor off and land by dinghy.

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Mooring limit: 5 days in a row, 7 days a month

Public moorings on the Shannon Navigation and the Shannon–Erne Waterway: at the same public harbour for at most 5 days in a row, or 7 days in total in any month, all year round. A longer stay in winter (1 November to 31 March) needs a winter mooring from Waterways Ireland. Boater information from Waterways Ireland

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In an emergency 112 999

Call 112 or 999 and ask for the Coast Guard. Both numbers work in Ireland and in Northern Ireland.

About Holy Island (Inis Cealtra)

Inis Cealtra lies about 2 km off Mountshannon. Its monastery is linked with St Caimin in the 7th century and grew into a noted centre of learning. Visitors wander among the ruins of six churches, a round tower about 24 m tall, early grave slabs and a holy well, and the graveyard is still in use: the novelist Edna O'Brien was buried here in August 2024. The easiest way over is the guided boat trip from Mountshannon pier, which runs daily from April to September, weather permitting and without booking. The small jetty is used by the tour boats; whether private boats may tie up there has not been confirmed, and crews of visiting cruisers often anchor off and row ashore. Clare County Council has permission to upgrade the jetty and add a shelter and toilets, but the works still need funding, so bring what you need.

Things to do 4

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Neighbours by water

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≈ distances are computed along the water, not along the marked channel. Times are our estimate: 7.5 km/h and 15 minutes a lock.

Also nearby, from OpenStreetMap (3)

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Things to do (1)
Services (1)
Harbours & marinas from OpenStreetMap — access not checked (1)

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