Cannabis with an estimated street value of €20,000 and cocaine with an estimated street value of €13,000 was seized in Sligo yesterday.
The discovery was made as a result of ongoing investigations into the sale and supply of illegal drugs in the Sligo area.
Gardai say a number of searches were conducted during the last number of days.
An un-licenced firearm was also seized.
The searches were conducted in Ballintogher, Ballisodare and Collooney.
In a statement Gardai have confirmed that Investigations are continuing, and that no arrests have been made as of yet