Cocaine with an estimated street value of 112,000 euro has been seized by Gardai.
Mixing agents, scales and a quantity of cash were also recovered when officers searched a property in south Dublin.
A Garda spokesman said the raid followed a lengthy surveillance operation aimed at disrupting a supply chain in the city.
On Wednesday, suspected crack cocaine with a street value of 3,000 euro and two false passports were found w hen officers searched premises at Moore Street in Dublin.
A man in his 30s was arrested and is currently being held at Store Street Garda station under Section 2 of the Criminal Justice (Drug Trafficking) Act.
