At East Machias, Dylan Young nailed a 3-pointer at the buzzer to give the Eagles the victory.
The Eagles jumped out to a 19-14 lead at the end of the first quarter and held off the Raiders for the victory.
Steven Mahon paced the Eagles with 20 points while Griffin Nightingale added 12 and Josh Bean netted 11.
Gage Feeney paced the Raiders with 20 points and seven rebounds. Tyler Varney added 10 points.
Ellsworth 19 36 51 62
Washington Ad. 14 33 52 59