Both teams move on to the MAAC tournament later this week in Bridgeport, Conn. Iona plays in the opening round Friday against an opponent that was to be determined late Sunday, and Manhattan meets Siena in the quarterfinals Saturday.
The Jaspers, who held Iona without a field goal over the opening 9:17, led 35-24 at halftime.
The Gaels narrowed the margin to 57-51 after Harris scored with 4:39 left, but never got any closer.
Manhattan was 33-for-42 from the foul line, and Iona was 30-of-46.
Duke coach Mike Krzyzewski explains what Pat Summitt's footprint and lasting legacy is on women's college basketball.
Hawaii will play in the Fox Sports Pearl Harbor Invitational in December, part of the 75th anniversary of the attack on Pearl Harbor.
An attorney representing ex-Michigan State basketball star Mateen Cleaves wants a judge to disqualify the Wayne County prosecutor's office from Cleaves' sexual assault case.