2017–18 Isle of Man Football League

The 2017–18 Isle of Man League was the 109th season of the Isle of Man Football League on the Isle of Man. St Georges were the defending champion, having won the championship the previous season.

From the Premier League

 * Relegated to Division 2
 * Ayre United
 * Union Mills

From Division Two

 * Promoted to the Premier League
 * Braddan
 * Douglas Royal