At Howland, Penobscot Valley scored four second-half goals over Deer Isle-Stonington to remain undefeated.
Meghan Howey and Arianna McKinnon led the Howlers (3-0) with two goals. Logan Tozier, Amy Hallett and Jenna Hope scored one goal apiece. Brittany Moon, McKinnon, and Hope each had an assist.
Howler keeper Sami Ireland made 4 saves on 5 shots. Mariner (0-2) goalie Logan Eaton stopped 16 of 39 shots.