At Harrington, the Knights took an eight-point halftime lead and then outscored the Bulldogs 16-7 in the third quarter en route to the victory.
Anna Ramsay paced the Knights with 18 points and Kelli Kennedy added 14 points. Lauren Ramsay and Caryl Ann Young each chipped in with eight points in the balanced attack while Karmen Kennedy added five.
Kate Whitney paced Machias with 10 points and Jodie Wood netted nine.
Machias 4 15 22 36
Narraguagus 9 23 39 56