A man has died while taking part in a sailing event off Abersoch on the Llyn Peninsula, coastguards say.
They were taking part in a dinghy championships around Abersoch
The man and a woman were rescued from the sea by a safety boat just before 1515 BST and then transferred to the Abersoch inshore lifeboat.
They were both taking part in the Laser 4000 National Championships at Abersoch, Gwynedd.
The air ambulance was called to Abersoch where paramedics tried to resuscitate the man.
A joint investigation is being conducted between North Wales Police and Holyhead coastguard.
The Laser 4000 Class Association and South Caernarvonshire Yacht Club issued a statement announcing "the tragic death of a sailor" competing in the Laser 4000 Nationals.
"The accident happened at approximately 1430 on Monday, 30 July whilst sailing in Tremadoc Bay near Abersoch.
"The class association and the club extend their deepest sympathy to the family and friends of the competitor."