Playing Deniliquin in a semi-final, Adrian Richardson’s team took a while to find its groove.
Despite being a heavy favourite, Echuca-Moama went into half-time at 0-0, but blew the Wanderers away after the main break.
The Raiders scored three times in the first 15 minutes of the second half to go up 3-0.
Deni pulled one back in the 73rd, but a late penalty for Echuca-Moama confirmed a comfortable 4-1 victory.
Jack Eddy Oval also hosted the other men’s semi-final and the women’s preliminary final.
Colts United won a thrilling encounter against Swan Hill 4-3 in the men’s, though the latter is into the women’s decider after a 3-0 win over Castlemaine.
Echuca-Moama had already booked its grand final place in the women’s competition, with Swan Hill its opponent at John McEwen Reserve this Sunday.
The women’s decider begins at 11am, immediately followed by the men at 1pm, where Echuca-Moama faces Colts.
The senior sides won’t be the only ones in grand final action this weekend.
On Saturday, two junior Border Raiders teams are in deciders at Epsom Huntly Recreation Reserve.
The under-12 Pirates face Colts United Yellow at 9.30am, while the under-16s play Strathdale at 10am.