They generally exceeded most expectations, having a very successful season, culminating in two solid displays in the preliminary competitions and reaching the grand final in the A-League.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.
The Mariners competed in Phillips International soccer sevens tournament played in Hong Kong.
Their group featured three of the biggest teams in the world, PSV, Manchester United and Celtic.
The Mariners were runners-up to Sydney FC in the qualifying tournament held to determine Australia's entry in the FIFA Club World Cup, losing in the grand final 1–0.