Before hitting up the many clubs that Sin City has to offer for grand-scale partying from late night to sunrise, consider pregaming ahead of time at these nine nightlife hot spots.

Foundation Room

Foundation Room

1. Foundation Room

High atop Mandalay Bay with scenic views of the Strip, this members-only lounge opens its doors to the public with rotating DJs spinning through the week. On Friday and Saturday nights, ladies receive free champagne and vodka drinks from 10 p.m.-midnight. On select Sundays, it’s all about you and your entourage with special bottle pricing for groups of six or more. (Mandalay Bay, 702.632.7631)

2. Fizz

This champagne bar and lounge is unlike anything ever seen in Las Vegas. While admiring the shiny chandeliers, photographs lining the inner walls and opulent mix of brown and golden hues, sip on unlimited champagne from 5-7 p.m. or 7-9 p.m. ($36 per person). Get the VIP treatment with a bottle of Belvedere vodka, Chandon champagne and food credit for your group. (Caesars Palace, 702.776.3200)

3. Lily Bar & Lounge

Centrally located on the casino floor, this classy nightlife gem is hard to miss. Have a seat on plush ottomans or mix and mingle at the bar with a few signature libations, if you wish. Lily mixes things up with resident DJs Friday through Sunday nights, live music by Daniel Park on Tuesdays and art demonstrations by Brad Wilkinson on select Wednesdays. (Bellagio, 702.693.8300)

4. Ghostbar

Set your eyes on the Las Vegas skyline at 55 stories up at this ultra lounge just minutes from the Strip. Jump-start your night with half-off drinks from 8-10 p.m. After a few rounds get into the dancing mood with eclectic music spun by DJs or take the party out on the terrace, where you’ll have just as much fun. (Palms, 702.942.6832)

5. VooDoo Rooftop Nightclub

This indoor-outdoor venue is a great place to enjoy after-dinner drinks and music or dancing into the wee hours. Find delight in the flair bartenders who make your evening worthwhile as they craft up your cocktails in a fun and entertaining way. Live entertainment takes form here with bands and DJs for a spellbinding experience under the stars. (Rio, 702.751.9237)

6. Rhumbar

At this indoor-outdoor island-style retreat, relax in style with a beverage, cigar or hookah in hand. Signature house cocktails such as the Rhumbar Mojito, Latin Manhattan and the 1944 Mai Tai are on the menu. A DJ takes over the turntables for lively parties several nights a week. Being open in the afternoon comes with a bonus—a midday happy hour. (The Mirage, 702.792.7615)

7. 107 SkyLounge

Just as the name suggests, this chic spot is located 107 stories up. Get there early and lounge around with two-for-one cocktails and half-off appetizers from 4-7 p.m. Or come a little late, around 11 p.m., for the late-night happy hour and a DJ. Themed nights include Skyy High Mondays and Woman Crush Wednesdays. (Stratosphere, 702.380.7777)

The Sayers Club

The Sayers Club

8. The Sayers Club

Live music and nightlife go together quite well here. You could be listening to your favorite band and soon after take in the vibrant scene from special guest DJs into the early morning. The intimate space fills the room on Thursday nights with lovers of hip-hop, and on Friday and Saturday nights, a diverse list of up and coming musicians and alternative-rock artists take over. (SLS Las Vegas, 702.761.7618)

9. Lavo Casino Club

On Friday and Saturday nights, reserve inclusive packages such as Pre Game (family-style appetizers, two cocktails per person and Tao nightclub VIP entry) or the High Roller package (a VIP dinner, VIP table with bottle service and Tao nightclub VIP entry). While you’re there, take advantage of the intimate space’s blackjack tables for gaming pleasure. (The Palazzo, 702.850.6614)