As part of ongoing investigations into the sale and supply of drugs in the region, Gardaí from the Galway Divisional Drugs Unit searched a house in Tuam last week.
Cocaine with an estimated street value of €50,000; cannabis with an estimated value of €40,000 and ecstasy with an estimated value of €7,000 was seized.
A man, aged in his 40s, was arrested and detained at a station in the Garda North Western Region under Section 2 of the Criminal Justice (Drug Trafficking ) Act 1996.
A follow-up search was conducted at another house in Tuam and a further quantity of cannabis was recovered.
The seized drugs will be sent to Forensic Science Ireland for analysis. Investigations are ongoing.