The Guinness Storehouse has retained its position as the country's number one international visitor attraction.
The Dublin venue had a record-breaking year with more than 1.7 million visitors.
Almost 18 million people have visited the attraction since it opened in 2000.
A new economic report reveals the Storehouse generates more than €360m for the Irish economy each year.
Earlier this year, the attraction annouced plans for a €16m expansion of its faciloities at St James' Gate in Dublin. The spend includes plans to double the size of its gravity bar', which gives a 360 degree view of Dublin.
Construction is planned to start this year, and be completed in 2019.