The Calais Blue Devils remained unbeaten on Tuesday night with an 81-23 victory over Woodland.
Fourth seed Calais (19-0) moves into the semifinals, where it will face the defending regional champion, No. 5 Penobscot Valley of Howland, at 7 p.m. on Tuesday, Feb. 18, at the Cross Insurance Center in Bangor.
Woodland, the No. 13 seed, completes its season at 5-14.