Seán Martin is a Fianna Fáil Councillor on Cork City Council representing the Cork City South Central Local Electoral Area. He was co-opted to the Council in July 1997 to the seat vacated by his brother, Micheál, following his Ministerial appointment after the 1997 Irish general election. Seán Martin retained his seat in the 1999 Irish local elections and at each subsequent election. He works with the ESB and served as Lord Mayor of Cork from 2004 to 2005.