His first major success with St. Mary's was winning a Kerry County Football League - Division 1 title in 2003.
He would have to wait until 2010 before he got his next success at county level as the club won the Kerry Junior Football Championship.
He later added a Munster Junior Club Football Championship after a win over Limerick side [[Bruree GAA|Bruree]] in the final.
[1] He later lined out in Croke Park in the All-Ireland Junior Club Football Championship final.
[citation needed] In November 2017, Sheehan announced his retirement from inter-county football.