I love Marquee at the Cosmopolitan! Both the day and nightclub. Whenever I'm in Vegas, Marquee night is always the best night of all... except for that one time... ANYWAYS, pretty huge venue and very elegant. I've been to two dance floors and the really pretty outdoor area. The Boombox is for you hip hopsters. A smaller dance floor compared to the main but it's pretty fun and chill. The main floor gets crazy by 11PM. Get ready to push and shove your way through while you hold onto your friends' for dear life.
They play house music mostly but once a month they have Party Rock Monday. This is my favorite Monday of all Mondays. If I didn't have a 9-5 job, I'd be at Party Rock Monday every month. If you don't know, Party Rock Monday is a LMFAO hosted party. It's crazy with neon colors, zebra prints, and wigglers. "There's no party like Party Rock Monday." But on most weekend nights, they'll have a major DJ, hence their popularity.
My favorite promoter Bhagya will take good care of your party. he's always dealt with all the guestlists for my party and I at ALL the clubs, not just Marquee. He's really professional. Feel free to message me if you''ll be heading to Marquee, ladies!
NOTE: They're not open on Sundays for nightclub.