Star Swan Isaac Heeney to remain in Sydney after signing six-year contract extension

The Sydney Swans have locked in star Isaac Heeney to a six-year contract extension.

Heeney, who came through the Swans' academy system, will remain with the club until the end of the 2028 season.

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The deal comes as a major relief for the Swans, with the 25-year-old eligible for free agency at the end of the 2022 season before putting pen to paper today on a new contract.

Heeney said he was committed to building "Bloods culture" and once again returning to the grand final, having played in the Swans' losing effort to the Western Bulldogs in his second season.

"I'm over the moon, this is a club that is very special to me. It's the club I grew up barracking for and to be a one-club player here at the Sydney Swans is incredibly humbling and extremely exciting," Heeney said.

"The bond we have at this club, from the players to the coaching staff, we're all one unit. We ride the highs and lows together, and how we stick together is a reflection of the Bloods culture.

"I'm determined to help this club achieve that ultimate success. Losing the 2016 grand final makes you appreciate how hard it is to get there on the last day of September and how much I really want it. Over the next six years, that is my biggest goal."

Heeney has played 129 games for the Swans since making his debut in 2015.