The equestrian centre hosts international events annually and offers an enclosed menage, cross country riding, hacking and riding instruction and residential weekends.

[2] It hosted Eurovision Song Contest 1993, which was won by Ireland's Niamh Kavanagh.

Steve Collins twice successfully defended his World Boxing Organization (WBO) super middleweight boxing championship in Millstreet, against Chris Eubank in 1995, and against Neville Brown in 1996.

Several artists have performed there, such as Pearl Jam,[4][5] The Prodigy, James Blunt and Westlife.

[citation needed] After the 2022 Russian invasion of Ukraine, the arena was agreed to be used for temporary accommodation for Ukrainian refugees.