An operation was conducted by Gardaí from the Garda National Drugs and Organised Crime Bureau, the Wicklow and Bray District Drugs Unit and personnel from Revenue Customs Service.
During the course of this operation, Revenue officers seized suspected herbal cannabis with an estimated value of €78,768.
Gardaí arrested two men in their 20s and a woman in her 30s as part of this investigation.
They are all currently detained under the provisions of Section 2 of the Criminal Justice (Drug Trafficking) Act 1996 at a Garda station in Wicklow.
Investigations are ongoing.