Mona Shores was led in Game 1 by Avery Johnson, Kristen Hylland and Elizabeth Savacool with two hits apiece.
The Sailors racked up 12 hits in the nightcap as Magie McCarthy posted four hits. Liz Savacool and Abbie Critchett each had two hits.
Mia Geoghan and Hylland combined for the win pitching for Mona Shores.
The Sailors will head to Whitehall on Thursday for a non-league doubleheader.