Ioane represents the Auckland provincial team and made his professional debut for the union in 2015 at the age of 17. He spent a season at the Mitre 10 Cup side, before earning a place in the Blues 2016 Super Rugby squad. He won a championship with Auckland in 2018 and was named Tom French Māori Player of the Year, NZRU Sevens Player of the Year, and World Rugby Breakthrough Player of the Year.