Officers stopped a Polish registered truck which came on a ferry from France and found the cigarettes within its load.
They have a retail value of €2.4 million, which is a potential loss to the exchequer of over 1.8 million.
A man in his 40s is being questioned as part of the investigation.
Chronic Effect Of Ongoing Weather Is Impacting Wicklow As County Council Notifies Of Road Closures
Further road closures have been confirmed in the Tinahely area by Wicklow County Council
Brad Pitt Project To Shoot On Shores Of Lough Tay As Wicklow Provides Backdrop For The Riders
The Riders is an upcoming movie adaptation of a novel by Australian author Tim Winton. Brad Pitt stars while Edward Berger is directing.
Primal Scream To Provide Exclusive Irish Headline Show In Wicklow As Beyond The Pale Lifts January Blues
Beyond The Pale Unveils New Wave of Artists for 2026, Including Exclusive Irish Show from Primal Scream
UPDATE: Stolen Dog Returned to Wicklow NSPCA Centre In Rathdrum
Footage released by the helped a member of the public spot her and alert Gardaí.
Fresh Flooding Fears & Wicklow Council Update - New Yellow Rain Alert Kicks In At Midnight
A Status Yellow rain warning has been issued for the East and South - even small additional rainfall could trigger flooding on already saturated ground.
6:00am - 8:00am
Sunny intervals
High: 8°C | Low: 2°C
Sunny intervals
High: 9°C | Low: 3°C
Sunny intervals
High: 8°C | Low: 1°C
Light rain shower
High: 8°C | Low: 0°C
Sunny intervals
High: 9°C | Low: -1°C