The Dolphins never trailed and led by as many as 15 points early in the second half, but Florida National wouldn't go away.
Regan O'Rourke hit a 3-pointer to make it 63-62 with 1:57 to play. About 30 seconds later, Misters hit a 3 that essentially sealed it.
Florida National went 0 for 5 from the field, with one turnover, down the stretch and Misters converted 5 of 6 free throws in the final 20 seconds.
Terric Harris scored 17 points and nine rebounds for Florida National. O'Rourke added 11 points and Jarvis Davis scored 10.