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.
Major Wicklow Train Station Upgrade Moves Ahead as DART Plans Progress
Major upgrade planned for Wicklow Train Station with work on new bridge to begin this year
DART Station Closures Could Bring Eggstra Stress Over Easter!
Ten stations will close from Saturday April 4th to Monday April 6th - services will to continue to Bray and Greystones.
Closures and Roadworks To Note Across Wicklow County This Week
Don't face delays! Traffic could be impacted across four municipal districts in the coming week.
Doyle Flush In Donegal As Wicklow Hurlers Promotion Bid Remains Right On Track
Wicklow has seven points to spare over Donegal in their hurling league encounter over the weekend and have one final game at home to Louth that could ensure their promotion to division two
Wicklow Fashion Brand To Feature Prominently During Ireland's Six Nations Clash With Wales
Greystones sustainable fashion brand House of Hofu secured advertising worth more than €25,000 which will seen their branding flashed up tonight as Ireland’s Six Nations Championship clash with Wales team at Aviva Stadium
Sunny intervals
High: 11°C | Low: 9°C
Sunny intervals
High: 11°C | Low: 8°C
Sunny intervals
High: 11°C | Low: 8°C
Sunny intervals
High: 11°C | Low: 8°C
Sunny intervals
High: 11°C | Low: 8°C
