Collin Kaiser threw three touchdown passes, including two to Sterling White, and Hilton Head Island High School turned in a dominant defensive effort to beat visiting Battery Creek.
Kaiser threw a 76-yard touchdown pass to Diante Richard and connected with White for scores of 48 and 29 yards.
Brandon Benke booted a late field goal to help the Dolphins avoid the shutout.
HHIHS (2-0) plays at May River next week, while Battery Creek (0-3) travels to Charleston Math & Science.