Isaac Monnier is a 19-year-old professional football player from FRA. He currently plays for Bastia, wearing the number 22 shirt. He plays primarily as a Defender.

His most recent move was a Transfer from Lorient to Bastia on 2026-07-30.

Throughout the French Championnat National 1 2025-2026, Isaac Monnier featured in 8 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.