Rescue services attended the scene at O'Carroll's Cove, Derrynane this afternoon, where a man in his '60s was pulled from the water.
The alarm was raised by a member of the public around 4.25pm, when a swimmer appeared to be struggling in the water.
The National Ambulance Service helicopter - Heli Med One - was tasked to the area, along with the Iveragh Coastguard Unit and Derrynane CRBI.
The rescue operation was co-ordinated by Valentia Coastguard.
The man who got into difficulties was Ukrainian and was staying in the area.
It's understood he may have suffered a cardiac episode, but is reported to be in a stable condition.