One of the units did not contain anything of interest but a vehicle was found inside the other.
Inside, Gardaí discovered €259,000 worth of cocaine and €23,800 worth of diamorphine.
Gardaí also seized weighing scales, mixers, a drug press and a large amount of bagging materials. All drugs are being sent for analysis.
The vehicle has also been seized for further technical examination.
No arrests have been made at this time and investigations are ongoing.