The Bucs suffered a 55-21 loss to Caledonia to drop their record to 1-8 on the season and 0-7 in league play.
Grand Haven trailed 14-7 at the end of the first quarter, 35-7 at halftime and 47-7 through three quarters of play.
The Bucs scored on a 4-yard run by Dean Mattson in the first quarter, a 1-yard fourth quarter touchdown run by Gus Abraham and a 28-yard pass by quarterback Luke Berry in the final minutes of action.
Berry led the Grand Haven offense, going 8-for-15 passing for 74 yards and one touchdown along with two interceptions.
Mattson rushed for 45 yards and a touchdown on 17 carries for the Buccaneers while Chase Robinson added 41 yards from the ground on two attempts.
The Bucs defense was paced by Connor Vanbeek with eight tackles.