He currently plays for Sligo Rovers, wearing the number 52 shirt. He plays primarily as a Defender.

His most recent move was a from Sligo Rovers Academy to Sligo Rovers on 2023-06-23.

Throughout the Ireland Premier Division 2026, Gareth McElroy featured in 4 matches, averaging 1.3 tackles, 0.8 interceptions, and 8.8 clearances per game, while blocking 0 shots per game.