Larkin also distributed seven assists while Trey McKinney Jones connected on six 3-pointers on his way to 20 points as the Hurricanes (27-6) collected the ACC post-season title after also winning its regular-season crown.
Julian Gamble donated a double-double of 11 points and 10 rebounds for Miami, which made a case for a No. 1 NCAA Tournament seed after its convincing ACC run.
The Tar Heels (24-10) got 28 points from P.J. Hairston in the loss.
They will receive an at-large bid for the national tourney.