Marquee

Marquee runs 40,000 square feet and roughly 5,000 people through three genuinely different rooms at the Cosmopolitan: the EDM-driven Main Room, the Boom Box downstairs for hip-hop, and The Library upstairs — a lounge that hosts the Wednesday tech-house series. Seven bars keep the sprawl serviced, and the separate Marquee Dayclub pool runs a March-to-October season outside.

The weekly rhythm is the clearest on the Strip: Monday is Marquee Mondays, the industry night that fills with locals and service-industry crews; Wednesday is Lowkey in the Library, small-room tech house; Friday and Saturday bring the headliners — Fisher, Chris Lake, Steve Aoki, DJ Mustard and a rotating open-format bench. Doors around 10pm, out by 4am.

It's a well-oiled machine, and it feels like one: multi-checkpoint entry lines even with a guest list, hosts working the floor hard, and Main Room sightlines that die at the back. The move is to pick your room — Boom Box if you want hip-hop all night, the Library if you want to hear yourself talk — rather than fight the main floor.