Michael Glover scored 23 points and Iona used two second half pushed against cold-shooting St. Pierre to win 70-52 Friday night.
Glover was 11:12 from the field and had seven rebounds and three blocks.
When the Gaels (9-6, 3-1 Metro Atlantic Athletic Conference) led 36-34 at halftime, tied the peacocks 18:55 to go.
San Pedro (8-7, 3-1) and then failed to score for the next course of 8:28 Iona 10-0 run.
Yvon Raymond concluded drought peacocks' in three-point play with 10:27 left, but the Gaels responded 9-0 shooting, including seven points Rashon Dwight, who finished in 12.
Iona outshot St. Peter's Basilica, in the second half, falling from 52.4 percent (11 21) and 26.1 percent (6 of 23).
Wesley Jenkins led the Peacocks with 11 points after missing three games with a right knee injury.
Gaels won 34-10 scoring advantage.