Hilton Head Prep opened region play with a hard-fought 3-0 win over visiting Thomas Heyward on Wednesday.
The Dolphins prevailed in three closely-contested sets, winning 25-23, 25-22, 26-24.
Ashley Wilmot led the way with 12 kills and 13 digs, Madison Denny added 10 kills, and Annie Braun had six kills 14 digs while going 15-of-16 serving with seven aces. Gabby Bettez added 11 assists and four aces for the Dolphins.
HHP (6-5, 1-0) hosts Colleton Prep for another region match Monday. THA (4-10, 0-2) hosts Pinewood Prep on Thursday.