The club released a statement reiterating Central Coast as the home of the reigning A-League champions.

Media speculation about the club's future followed revelations that around a fifth of the outfit's members live in the northern suburbs of Sydney.

The Mariners play their round 6 match against Wellington Phoenix at North Sydney Oval on December 19 as part of an initiative to engage with fans in the region.

And the club has not ruled out hosting more matches at the venue in the future.

But club owners – including majority shareholder Mr Michael Charlesworth – say they have a huge investment in the Central Coast.

More than $15 million has been injected into the club including the multi-million dollar Tuggerah-based Centre of Excellence.

An official club statement addressing recent speculation said: "Mr Charlesworth is investing in the (centre) with the aim of the Central Coast being home to the premier sports training facility in the country, and one day being the official training base of Australia’s men's and women's national football teams.

"While the Mariners’ commitment to the Coast is unwavering, a recent analysis of the club’s membership base highlighted that approximately 20 per cent of the club’s members currently reside in Sydney’s northern suburbs.

"As such, the club already views Sydney’s northern suburbs as an extension of Mariner territory, and is working closely with the Northern Suburbs Football Association (NSFA) to ensure the players, officials, volunteers, and supporters of their region have a Hyundai A-League team to call their own."

Those at the helm are hoping to encourage more people to routinely make the short trip up the M1 Motorway to watch the Mariners in action.

An off-field study of the games against Wellington Phoenix next month and in Febuary next year, at Bluetongue, will be undertaken before any commitments to further fixtures at North Sydney.