At Greenville, Henry Hersey and Matt DiAngelo recorded two goals apiece to pace the Lakers in game two of the weekend matchup.
Cole Aucoin and Tristan Richards added a goal apiece for Greenville.
Dalton Hornby scored the lone goal for the 2-5 Vikings.
Scott James made nine saves on 15 shots for Vinalhaven. Corey Henderson saved four of five shots for 7-1 Greenville.