But the PlayStation 4 NPL Queensland runners-up can hold their heads high being one of only three non-A-league clubs to have made the quarter finals.
City remain the only club from Queensland to have qualified for the quarter final stage in the competition's four year history, and during this year's quarter final they played in front a club record 2,907 fans at CBUS Stadium.
Mediadrive looks back at the club's six game run in this year's competition.
Preliminary Round Five
City’s campaign began in May with a clash against local premier league side Gold Coast Knights before going on to face a host of Queensland clubs as well as teams from Western Australia and Victoria.
City’s leading scorer Jarrod Kyle, who finished the campaign with nine goals, made the difference as his strike proved decisive between City and Knights on the opening night.
Preliminary Round Six
City then faced a short turnaround with a Wednesday night trip to Toowoomba to play South West Queensland Thunder just three days after facing the Knights.
City coach Grae Piddick rotated his side bringing Benjamin Lyvidikos and Curtis Stollery into the team and the fresh legs reaped rewards as goals from Lyvidikos, along with Jarrod Kyle, Nik Mirkovic and a Thunder own goal sealed a 4-0 win for City.
Preliminary Round Seven
City’s next match was against Sunshine Coast Premier League side Caloundra FC, the outcome would determine if City secured a spot in the national Round of 32.
A barnstorming performance from City saw them as 5-1 winners against Caloundra, securing the club's spot back on the national stage after a year's absence.
Jarrod Kyle was the star on the night scoring four goals, Nik Mirkovic scored the other goal for City.
Round of 32
City were drawn at home against Western Australian outfit Western Knights in the Round of 32.
Jarrod Kyle again starred, scoring a hat trick in a 3-1 win for City in front of 1,033 people at Duncan McKenna field.
Round of 16
Sibling rivalry was at an all-time high in the Round of 16 as City drew Moreton Bay Jets, who were coached by Grae Piddick’s brother Adam.
Moreton Bay came into the clash full of confidence having beaten City 3-0 just three days before the match in the NPL Queensland competition, however it was City which came out on top in the FFA Cup grabbing a 1-0 extra time win, thanks to a Sam Smith penalty.
The Round of 16 win meant City had qualified for the quarter final for the second time since 2015 and they remain the only Queensland club to have ever qualified for the Westfield FFA Cup quarter finals.
However, City's run came to an end as they suffered a 6-0 defeat at the hands of former National Soccer League champions South Melbourne at CBUS stadium.
Following the club's elimination, City skipper Justyn McKay said he felt the season was one of unfulfilled potential for his side.
“There was so much promise this year and not much to show really in the end. We lost out in the league, missed out on the grand final and it’s a disappointing end now to the cup,” McKay said during a post-match interview.
“But there were also a lot of positives that we can take into next season and, with such a young squad, they will be better for the big game experiences we have had towards the back end of the season.
“Once we get over the disappointment of tonight, I think we can take a lot of valuable lessons in to next year,” he said.
City coach Grae Piddick said he was proud of his side's season but the disappointing finish would serve as motivation for his side going forward.
“We had a great year this year but didn’t quite finish as well as what we could,” Piddick said.
“Clearly the motivation is to be right up there again challenging for the silverware in 2018 and playing a good brand of football.”
The Westfield FFA Cup semi finals commence on October 11 when South Melbourne host Sydney FC, while Western Sydney Wanderers take on Adelaide United the following week.
Thibault Berthier is the Gold Coast City digital content editor.