Gardaí from the Mayfield Drugs Unit spotted the occupants of a car engaging in what looked like a drug deal in the Boherboy area at around 7pm.
They stopped and searched the car and found cannabis herb.
The occupants of the car, a man and woman in their 30s were both arrested.
A further search of a house in the Ballincollig area uncovered €50,000 of cannabis herb and a small amount of cocaine.
