The then Galway manager Kevin Walsh confirmed Sice's retirement from the inter-county scene on 8 January 2018, after a postponed FBD Insurance League game against Mayo due to have taken place at MacHale Park.[2]
After briefly returning in 2020, Sice had left the Galway panel by 2021.[3]
^"Tribesmen in transition as Burke and Bradshaw withdraw". Irish Independent. 8 January 2021. The Galway squad is currently undergoing a number of personnel changes, with Adrian Varley among those who have also departed, while Gary Sice, who came out of retirement for last year's campaign after three years away, has stepped away again. Fiontán Ó Curraoin has also departed.