St George Illawarra powerbrokers believe they should determine which fixtures are played at Netstrata Jubilee Stadium in any venue-sharing arrangement with arch-rivals Cronulla, declaring "Kogarah will always be our spiritual home."

As revealed by the Herald, the Sharks are considering shifting some of their home fixtures to Kogarah if the refurbishment of their leagues club precinct leaves PointsBet Stadium unavailable from next season.

Rivalry: Paul Vaughan's Dragons could be forced into sharing a venue with the Sharks. Credit:AAP

News of the potential incursion from their nearest rivals caught Dragons officials off guard, although they remain bullish the area will always be their territory.

"It's one of our major catchment areas and that is never going to change," Dragons chairman Andrew Gordon said. "We will have to look at our spread of home games and they will have to work around us.