Quantities of drugs, cash, tobacco and cigarettes were seized in separate swoops at Dublin Airport in recent days.
Customs officers have now seized up to €3 million worth of drugs, €280,000 in cash and 13 million cigarettes to date in 2009.
Customs officers yesterday seized €37,000 in cash from a Congolese national who arrived on a flight from Amsterdam.
The passenger was arrested and the money has been confiscated for three months for gardaí to carry out investigations.
On Saturday, a 27-year-old Belgian national was discovered with 3.5kg of herbal cannabis, valued at €42,000, concealed in his baggage.
The man, who had arrived on a flight from Belgium, was handed over to the Garda Drug Unit in Santry.
Last Thursday a 20 year-old Romanian was found to have swallowed 34 pellets of cocaine weighing 0.5kg and valued at €35,000.
The passenger, who had arrived from Brazil, appeared in Dublin District Court today and was remanded in custody.