At Machias, Logan Wood poured in 32 points to power the Bulldogs by the Mariners.
James Mersereau chipped in with 15 points for Machias.
Stuart Bray scored 19 points to lead the Mariners and Patrick Duddy added eight.
Machias: Wood 32, Mersereau 15, Gooch 6, Anthony 5, Holland 4, Davis, Snider, Hatch, Paddock, Anderson, Gray, Ranke.
DI-S: Bray 19, Duddy 8, Melanio 6, Oliver 6, Shepard 5, Heanssler, Eaton, Duddy, Davis, Gove, Turner, McManus