Almost €430,000 in cash has been seized at Rosslare Europort.
The find was made yesterday with the help of detector dog Flynn, in a UK registered vehicle as it was boarding a ferry to Bilbao.
A Polish man in his 30s was questioned in connection with the seizure.
The money is suspected of being connected to criminal activity.
UPDATE: Missing Newtownmountkennedy Teenager Located
Tánaiste Simon Harris Has No Unresolved Issues Amid Overpayments Controversy
Rowing Ireland Refused Permission for Training Centre in Co Wicklow
Social Media Chiefs Must Face The Rigours Of The Law Over AI Imagery Says Wicklow Wexford TD
UPDATE: Crews Working To Restore Supply To North Wicklow After Burst Water Mains In Newtownmountkennedy