In 1975, Wollongong and Dapto left the league to create the Illawarra Australian Football League. They were joined by Bulli-Woonona (now known as Northern Districts), Port Kembla and Shellharbour, three clubs who had run junior programs but were introducing senior football. The sixth foundation club of the senior league was the University of Wollongong.
The Illawarra league collapsed in 1988, with the Wollongong Lions moving to the Sydney Football League and the remaining clubs joining the South Coast AFL, which was renamed the Leisure Coast Australian Football League.
The league returned to the name South Coast AFL in 2002.
|Club||Colours||Years in competition||Website|
|Bay and Basin||(Reserve grade only)|
|Kiama Power||Official website|
|Northern Districts||1975- (Illawarra AFL 1975-1988)||Official Website|
|Port Kembla||1975- (Illawarra AFL 1975-1988)||Official website|
|Club||Colours||Years in Competition|
|Batemans Bay||Left to join Sapphire Coast AFL|
|Camden||SCAFL 1996-2007, moved to Sydney AFL (First Division) 2008|
|Dapto||SCAFL 1972-1974, IAFL 1975-1988, 1989-??|
|Wollongong||SCAFL 1971-1974, IAFL 1975-1988, moved to Sydney Football League|