1) Le 1000 rue de la Gauchetiere - 672 ft.
Found
here.
2) Le 1250 Boulevard Rene-Levesque - 652 ft.
Found
here.
3) Tour de la Bourse - 623 ft.
Found
here.
4) Place Ville Marie - 617 ft.
Taken by me.
5) La Tour CIBC - 613 ft.
Taken by me.
BTW; I'm not a very good photographer
And though I'm actually from Laval, there's pretty much no height here, but I might still make a list nonetheless.