The club was also the Victorian Summer Championship Premiers with a resounding victory over the national league team Nunawading.

They eventually lost in the NBL Grand Final to the West Adelaide Bearcats 80–74 after having trailed by 22 points.

At the end of the 1988 season, a group of local businessmen fought to save the team and as a result were granted a license to ensure Geelong's ongoing participation in the NBL.

The second-place finish entitled the Supercats to participate in the National finals, where they lost to eventual champions Cairns in the semi-finals.

They went on to lose in the elimination semi-final before earning a wild card entry into the National finals due to Geelong being the host venue.

[1] In 2005, Geelong finished the regular season as minor premiers with a 15–11 record and went on to defeat Mildura to secure the SEABL East Conference championship.

Geelong again played host to the ABA National finals, with the Supercats again losing to the Sydney Comets in the first round.

[1] In 2006, imports Jamal Brown and Shawn Myers guided the Supercats to a second-place finish with a 17–9 record before leading them to a 108–73 win over Canberra in the conference grand final to record their second consecutive SEABL East Conference championship.

[1] The core group of local Geelong talent and both imports Myers and Brown were retained for the 2007 season.

The team was undefeated through the first 17 games and went on to record their best-ever season of 22 wins and 4 losses to secure the minor premiership.

The combination proved ultimately successful, with Geelong winning the South Conference title against Hobart and then defeated Bendigo in the SEABL Championship final.

[1][13] In 2017, the Supercats women won their first SEABL championship with a 76–67 grand final victory over the Bendigo Braves.