At Deer Isle, Paige Rollins scored a goal in each half to propel the seventh-seeded Mariners to victory.
Holli Boyce scored the go-ahead goal in the first half for 6-7-2 Deer Isle-Stonington. Chelsea Brown and Svenja Griesbach tallied second-half goals off assists from Natalie Knowlton and Kristyn Davis, respectively. Chelsea Brown converted a penalty kick.
Rebecca Bach scored in the first half for No. 10 Bangor Christian (7-8).