Waterways Ireland advises that the Limerick Narwhals “Limerick Island Swim 2026” takes place on Saturday 5 September 2026, starting at 12:30.
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 12:00 to 15:00 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