avoid crescent like the plague. it's where all the tourists go. i know you guys are tourists and all, but it's a wack scene for real. hit up st laurent if anything.
tokyo - hip-hopish night club with lots of freshman mcgill girls and a nice patio in the back. I don't think ive ever gone there and NOT picked up
orchid - same as above, but a bit wacker
buennenotte - supper club. expensive. lots of fancy broads. $$$$ but always a good time
blizzarts - hipster club. lots of coke sluts, and d-boys slangin' flaps in the washroom. still a good time.
coda - hipster/hip-hop club. pretty dope spot though. always get cool shows - DJ Premier, etc.
1234 - younger crowd, lots of locals, but the layout of the place is nice. im not a fan though
737 - club on the top floor of an office building. in the summer, when the patio is open, it's sick cus you have a view of the entire city. more of a tourist spot though. again, not a fan - crowd is too young
opera - gorgeous layout, but kinda wack in my opinion. might be fun for you guys though.
tribe - never been, but apparently it's the spot.
if you guys wanna do drugs, go to an afterhours like Stereo or aria or something. sketchy as fuck but kinda dope I guess.
google all these places so you can make your own decisions…
but for real the dopest part about montreal is when the weather is nice, you can just roam the streets and have a good time. half the time i used to go out at night, i would never make it inside a club. mind you it's been a year since i been there so the list above might not be valid anymore. but regardless, get as drunk as possible and talk to every girl you see. girls in MTL are so friendly and they love to fucc.
edit: if you're looking for a place to stay, try and stay as close to st. laurent and sherbrooke as possible. google this intersection, and then google some hotels in the area. you'll thank me later.