But the Eagles tallied the next two goals behind Vinnie Toronto (four goals) and Anthony De Vito (three goals) to give themselves some breathing room.
Rocky Point bolted to a 4-1 advantage with 6:27 left in the opening period behind a pair of goals by Anthony DeVito and single tallies by Tim Yannucci and Kyle Gardner.
The first of Hoeg's three goals helped move the Tuckers to within 5-3 with 9:35 to go in the second quarter. But Rocky Point grabbed an 8-3 halftime lead as Toronto recorded a hat trick in the period.
Jake Wandle scored twice in the opening 10 minutes of the third quarter to lift Rocky Point into a 10-3 lead before Tyler Siefert and Hoeg found the net to close out the quarter with a 10-5 deficit.
After scrimmages against Riverhead on Wednesday and Shoreham-Wading River on Saturday, Mattituck will open its Suffolk County League IV schedule at Babylon on March 30.