Reported by Simon McEvoy
Roberts, 27, says it's time for him to focus on other things.
``At this level, footy has to be your priority,'' he said last Friday.
``It has to be number one and number two on your list, but with me it's become three and four and five, so it's not as important as it needs to be.''
Roberts is likely to join Southern league club Chelsea Heights as assistant coach next season.
The right-footer played 138 senior games.
Frankston coach Brett Lovett said he would be remembered as one of the most courageous players to wear the Frankston jumper.
Roberts shared the best-and-fairest award with Mickey Ablett in 2003, the same season he was named in the VFL team of the year.
He also won two Standard-A Positive Move player-of-the-year awards.
``He's happy with what he's achieved for us and we're grateful for what he did for the club,'' Lovett said.
``He always gave you 120 per cent. If you watch our boys when they're walking off the ground, you can see he's absolutely spent after every game. He'd get hit, he'd get belted, but he always got up. Tough as nails.
``I thought he was at his best when the side was struggling. That's always the sign of a really good footballer, I reckon.''
Lovett said Roberts meant as much to Frankston as Daniel ``Norm'' Clarke, who has also retired.
Roberts said it had been honour to captain the club and he had made lifelong friends at the Dolphins. He said he regarded general manager Bryan Mace as a second father.
Meanwhile, Frankston defender Christian Ongarello has indicated he will be going overseas next year.
