The discovery was made at Dublin Port on Saturday
Gardaí have charged a man arrested as part of an operation which resulted in the seizure of some €2.5m of drugs.
The discovery was made by the Revenue's Customs Service and the Garda National Drugs & Organised Crime Bureau, targeting drug importations through Dublin Port.
Cocaine, heroin and ketamine were seized on Saturday.
The man will appear before a special sitting of the Criminal Courts of Justice in Dublin on Monday.