At Turner Center, Kennadi Grover registered two singles and three RBIs as the Mariners of Rockland/Thomaston topped the Hornets.
Brooke Dugan contributed a double and single for Oceanside (10-0), and Rachel Frye struck out 11 and walked three in picking up the win.
Michelle Morin took the loss for Leavitt (1-8), walking three and hitting one.
Oceanside 100-401-0 — 6 9 0
Leavitt 000-000-0 — 0 2 3
Frye and Curtis; Morin and Gilbert