The Volvo Cork Week 2020 sailing regatta has been cancelled due to the coronavirus pandemic.
It is one of a number of events being organised for July by the Royal Cork Yacht Club to celebrate its tricentenary.
All events for the month have now been cancelled.
The club says it is monitoring the situation and is continuing to plan for all of the remaining events scheduled from August 1 to the end of the year.
The Royal Cork Yacht Club is the oldest yacht club in the world and events in July were due to attract visiting clubs from throughout the world.
The club said it made the decision to safeguard the health of sailors, visitors, volunteers and the community at large and to give certainty to those participants and visitors who had scheduled to come to Cork in July.
The cancelled celebrations include Volvo Cork Week 2020, a classic yacht regatta, a cruise in company with the Irish Cruising Club, and other leading cruising clubs from America and Europe, along the Wild Atlantic Way, and a Royal Cork fleet review and national and European yacht racing championships.
Founded in 1720, the Royal Cork Yacht Club is the oldest yacht club in the world.
The Volvo Cork Week 2020 sailing regatta has been cancelled due to #Covid_19. It's one of a number of events being organised for July by the Royal #Cork Yacht Club to celebrate its tricentary. All events for the month have now been cancelled. #RCYC @rtenews pic.twitter.com/j0XzPHrtnb— Paschal Sheehy (@PaschalSheehy) March 27, 2020
Chair of Cork 300 and Admiral of the Royal Cork Yacht Club, Colin Morehead, said: "It is with considerable regret and sadness that we have to cancel Volvo Cork Week 2020 and all other events throughout July.
"We are living in very uncertain times and the health of our members, our visitors, our city and country is now the main priority.
"Over the last number of weeks, we have carefully monitored the developing global situation. We have taken continued guidance from Government Officials, the Health Service Executive, Irish Sailing and other experts in the hope that we would be able to proceed with our exciting schedule of events for July.
"We are very conscious that this decision will impact many visitors who have already booked to travel and participate and hope that making our decision at this stage will enable them to change their plans accordingly.
"We are also very aware that this will be another blow to our local economy. However, in the 300 years since the foundation of the Royal Cork Yacht Club we have faced many adversities and are confident that working together, we will see the club, county, country and global sailing community come through these difficult times. Indeed we look forward to welcoming as many sailors as possible back to Cork Week in July 2022."