Antoski played minor hockey for the Don Mills Flyers Midgets of the MTHL in 1986-87 and was drafted in the fourth round (59th overall) of the 1987 OHL priority selection.
He spent most of the next three season toiling in minor pro, although he received a brief callup each year, playing in a total of eight NHL games.
He returned to the Ducks the following season, but on November 24, 1997, he was involved in a serious car accident which left him with a compressed skull fracture.
His younger brother Shayne, at 6' 4 200 lbs, was a teammate in North Bay, and also went on to a brief pro career, playing two seasons in the ECHL.
Shawn resides in the rural community of Madoc, Ontario, and is the president of the Belleville Minor Hockey Association.