It was the 79th annual Grand Final of the South Australian National Football League, staged to determine the premiers of the 1977 SANFL season.

The match, attended by 56,717 spectators, was won by Port Adelaide by a margin of 8 points, marking that club's twenty-fourth premiership victory.

[3] The 1977 Grand Final was a physical affair with Port Adelaide wingman Bruce Light reported for striking, Kym Kinnear was concussed by Graham Cornes and taken from the ground, and several other players sustaining injuries throughout the match.

Twenty-four-year-old Randall Gerlach retired after the game after playing for two years with kidney problems.

Port Adelaide supporters voted the 1977 SANFL Grand Final as the fourth-greatest moment of the club's history at Football Park in August 2013.