Collin Kaiser threw six touchdown passes, including four to Sterling White, as Hilton Head Island High School blew out Ridgeland-Hardeeville.
Kaiser threw four TDs to White and one each to Diante Richard and Landon Jenkins. Jonathan Orr added a 35-yard field goal for the Seahawks.
HHIHS (3-1) hosts Berkeley to open Region 8-4A play next week, while the Jaguars (3-2) have the week off before opening Region 8-3A action at May River on Oct. 6.