2018–19 Isle of Man Football League

The 2018–19 Isle of Man League was the 110th season of the Isle of Man Football League on the Isle of Man. St Georges were the defending champions, having won the previous three championships.

From the Premier League

 * Relegated to Division 2
 * Ramsey
 * Colby

From Division Two

 * Promoted to the Premier League
 * Marown
 * Castletown Metropolitan