Redan and Beach played to a 10-all tie after the first eight minutes, after that Beach decided enough was enough.
Beach outscored Redan 41-31 over the remaining three quarters despite being outscored 16-11 in the third to earn a 61-51 road win second round state tournament victory.
Beach (26-2), known for attacking, did just that most of the night while Redan (20-7) lived and died by the outside shot. Redan shot poorly from the field for the majority of the contest.
Jocelyn Small paced Beach with 15 points while sidekick Sydeney Brown put in 13 points.
Beach will travel to Central-Macon (20-5) in the class 3A Elite Eight next week. Central-Macon defeated Hart County 59-46 to advance.