Waterways Ireland advises that the Limerick Narwhals “Limerick Island Swim 2025” takes place on Saturday 6 September 2025, starting at 16:00.
This is a 3.8 km swim around King’s Island on the River Shannon in Limerick City, starting and finishing at the pontoon beside the Hunt Museum.
Navigation & Safety Advisory
The swim route section of the River Shannon around King’s Island will be closed to all non-race vessels from 16:00 to 18:00 on the day of the event
Masters of vessels are to comply with instructions from event marshals and safety boats, to keep the racecourse clear
Respect the swimmers, they have right of way during the event
The navigation will re-open once all swimmers are clear of the water
Further information is available from Limerick Narwhals: info@limericknarwhals.ie
Such closures are rare, yet necessary. Waterways Ireland thanks all waterway users for their cooperation and assistance in ensuring the safe and successful event.
Peter Harty
Inspector of Navigation
Inspectorate.Athlone@waterwaysireland.org