Mike Mulvey lasted only until round 21 before becoming the forth coach sacked in 5 seasons.

In the transfer window, the club re-signed two former players: all-time top scorer Matt Simon and New Zealand midfielder Michael McGlinchey.

In pre-season, Jamaican Olympic sprint champion Usain Bolt also came to the club to train on an indefinite basis.

[2] The Mariners ended the previous A-League season in last place after losing to F3 Derby rivals Newcastle Jets 8–2 on the final matchday.

[5] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.