When We Were Young at The Cosmopolitan Las Vegas
When We Were Young festival is on hiatus in 2026 and returns to Las Vegas Festival Grounds in October 2027. The Cosmopolitan is the closest major Strip hotel — Marquee Nightclub on property for the post-festival after-party.
WWWY 2026 Update: When We Were Young festival is taking 2026 off. The festival returns to Las Vegas Festival Grounds in October 2027. Check the official website at whenwewereyoungfestival.com for 2027 dates and lineup announcements.
Festival Overview
About When We Were Young Festival
When We Were Young is an annual Las Vegas music festival dedicated to emo, pop-punk, metalcore, and alternative rock — the genres that defined a generation of music in the 2000s and early 2010s. Held at Las Vegas Festival Grounds at 3901 Las Vegas Blvd S, WWWY brings together the artists whose music was formative for listeners who are now in their late 20s to early 40s. The festival concept is fundamentally nostalgic: it operates as a reunion event for artists and fans who shared these genres during their original commercial peak, now reunited as a curated festival experience.
The festival's first edition in 2022 was an immediate cultural event — announced, sold out, and discussed across music and social media in a compressed window that demonstrated the suppressed demand for a dedicated emo/pop-punk festival at scale. Subsequent editions featured My Chemical Romance, Paramore, Fall Out Boy, Bring Me the Horizon, Hayley Williams, The Used, Taking Back Sunday, Underoath, Mayday Parade, Neck Deep, Between the Buried and Me, and dozens of acts spanning the full spectrum of early-2000s alternative music. The lineup philosophy has consistently been completist rather than selective: WWWY attempts to represent the genre comprehensively rather than booking only the highest-commercial-profile acts.
Las Vegas Festival Grounds at the south end of the Strip is the established large-scale outdoor festival venue in Las Vegas — the same site that has hosted EDC and other major festival events. For WWWY specifically, the venue's position at the south end of the Strip places it within rideshare distance of the center-Strip hotel cluster that includes The Cosmopolitan, Bellagio, Caesars Palace, Paris, and the Planet Hollywood complex. Festival ground access from The Cosmopolitan is approximately 8–12 minutes by rideshare depending on Strip traffic at the time.
The 2026 hiatus was announced as a deliberate pause to give the festival the development attention that a continuation-at-scale would compromise. Previous WWWY editions operated on an aggressive timeline between announcement and execution; the 2026 year off reflects a decision to extend the preparation window for what comes next rather than execute another edition at the same pace. The official messaging indicates a return in October 2027, which positions WWWY's relaunch as the most anticipated alternative music festival event of that year. For Las Vegas hotels and nightclubs, the 2027 return is the planning target.
Hotel Positioning
Why The Cosmopolitan Is the Right WWWY Base Hotel
The Cosmopolitan of Las Vegas at 3708 S Las Vegas Blvd is positioned at the center of the Strip — geographically equidistant from Las Vegas Festival Grounds to the south and the north Strip entertainment cluster to the north. For WWWY festival attendees, this center-Strip position means the hotel is neither the closest nor the farthest from the festival grounds, but it is the closest to the broadest concentration of Strip nightlife options. The Cosmopolitan's calculation for WWWY stays is: tolerable festival transit (8–12 minutes) combined with unbeatable post-festival nightlife access, with Marquee Nightclub accessible via the hotel's own corridors.
The WWWY demographic — primarily late-20s to mid-30s, design-conscious, high entertainment spending, familiar with Las Vegas from previous festival and vacation visits — maps well to The Cosmopolitan's intended guest profile. Where the Mandalay Bay complex (closest in distance to Las Vegas Festival Grounds) was designed for a convention and resort-vacation demographic, The Cosmopolitan was designed for the nightlife-prioritizing premium traveler. Festival guests who care about their hotel's design quality and nightlife proximity as much as its proximity to the event itself consistently choose The Cosmopolitan over the south-Strip properties that are technically closer to Las Vegas Festival Grounds.
The October timing of WWWY creates an additional advantage for The Cosmopolitan relative to other Las Vegas hotels. October is Las Vegas' most pleasant outdoor weather month — temperatures in the low-80s in the afternoon, mid-60s in the evening — which makes Marquee Dayclub's rooftop pool programming ideal for WWWY festival weekend afternoons. The festival typically runs from early afternoon through evening; returning from the festival grounds to Marquee Dayclub for a late-afternoon pool session, then into Marquee Nightclub for post-festival programming, creates a complete October Las Vegas festival day that no other Strip property can replicate with on-property infrastructure.
The Chandelier Bar — The Cosmopolitan's three-floor cocktail bar wrapped in 2 million crystal beads at the hotel's center — functions as the festival weekend social hub for hotel guests who want a more conversation-friendly environment between festival days. The bar's signature Verbena cocktail and the three levels of seating options make it the correct transition environment between a festival afternoon and a Marquee nightclub evening for groups whose energy level requires a decompression interval.
Post-Festival Nightlife
Marquee Nightclub After When We Were Young
The post-WWWY festival nightlife pattern at The Cosmopolitan creates an environment at Marquee that doesn't resemble any other standard Saturday night on the Strip. The WWWY crowd — arriving from a full day of emo and pop-punk in a festival setting — brings a social openness and collective experience that is specific to post-festival crowds. Where the typical Marquee Saturday night draws guests from across Las Vegas' various visitor demographics, the WWWY festival weekend draws a crowd that has shared a specific common experience that day. The social dynamics of the room at midnight on WWWY Saturday are qualitatively different from a standard October Saturday.
Marquee's music programming on WWWY festival nights typically runs hip-hop and electronic — a deliberate contrast to the festival's emo and pop-punk format rather than a continuation of it. This genre shift is correct for the context: festival attendees who want to continue the emo experience stay at the festival grounds for the later acts; festival attendees who transition to Marquee are seeking the contrast that comes with moving from an outdoor festival to an indoor nightclub environment. The dancefloor energy that results from a crowd that has been in festival mode since 2 PM arriving at a nightclub at 11 PM is among the most consistently high-energy environments Marquee produces all year.
Drai's After Hours at The Cromwell is the natural WWWY second stop for groups extending past Marquee's standard operating hours. Drai's runs through 8 AM and programs hip-hop through the late night and early morning hours. The 5-minute walk from The Cosmopolitan to The Cromwell — through the center Strip connecting The Cosmopolitan to Paris Las Vegas — makes the Marquee-to-Drai's transition a walkable 2-step for festival weekend groups whose stamina extends past 4 AM.
Marquee Nightclub
On Property3 rooms · 40K sqft · Electronic, hip-hop, top-40 · Direct hotel corridor access
Marquee Dayclub
On PropertyFestival weekend afternoons · October weather ideal for pool · Refreshed 2026 rooftop
Drai's After Hours
5 min walkOpen until 8 AM · Hip-hop after-hours · WWWY second stop option past 4 AM
OMNIA Nightclub
5 min walkCaesars Palace · EDM, house · Alternative festival-weekend option
Planning for WWWY 2027
How to Plan The Cosmopolitan + WWWY 2027
When WWWY 2027 dates are announced — expected in late 2026 or early 2027 — The Cosmopolitan hotel rooms will sell out within 24–72 hours of the announcement if the pattern from previous editions repeats. WWWY's festival announcement triggers a surge in Las Vegas Festival Grounds proximity hotel bookings that is faster and more concentrated than most major Las Vegas events because the WWWY audience is both highly motivated and travel-experienced — they have attended previous editions and know immediately which hotels are best positioned for the festival weekend.
The practical WWWY 2027 planning sequence from The Cosmopolitan: (1) monitor whenwewereyoungfestival.com for the 2027 date announcement, (2) book The Cosmopolitan immediately upon announcement, (3) submit the Marquee guest list request through NoCoverVegas at the same time as the hotel booking, before the festival weekend's guest list demand builds from the broader Las Vegas visitor population. The Marquee guest list for WWWY weekend fills faster than the standard October weekend guest list because the festival brings thousands of nightlife-active visitors to the center-Strip cluster simultaneously.
A two-night WWWY 2027 stay at The Cosmopolitan typically runs: Day 1 festival (afternoon to evening at Las Vegas Festival Grounds, rideshare back to The Cosmopolitan, Marquee Dayclub late-afternoon session, Chandelier Bar pre-dinner, dinner at Beauty & Essex or Wicked Spoon, Marquee Nightclub 11 PM through 3 AM), Day 2 festival repeat with Drai's After Hours as the late-night extension for groups extending past Marquee's closing time. This is the complete WWWY Cosmopolitan experience that separates it from staying at a closer-but-lesser hotel to the festival grounds.
When Dates Drop
Book Cosmopolitan Immediately
Rooms at The Cosmopolitan sell out within 24–72 hours of WWWY date announcements
Same Time
Submit Marquee Guest List
Text 725-999-9293 when you book the hotel — WWWY weekend fills faster than standard October
Festival Day
Marquee Dayclub → Nightclub
Late afternoon pool session + dinner at The Cosmopolitan + Marquee at 11 PM
No WWWY in 2026 — What to Do Instead
Las Vegas Nightlife at The Cosmopolitan in October 2026
For visitors who planned a WWWY 2026 Las Vegas trip and are looking for October alternatives, The Cosmopolitan's October programming continues without the festival: Marquee Nightclub runs its full fall season with headliner bookings across electronic, hip-hop, and crossover formats; Marquee Dayclub extends its season into October with the temperature conditions that make October Las Vegas pool parties the most comfortable of the year. Halloween season in October is one of the Strip's highest nightlife demand periods, and The Cosmopolitan runs Halloween-themed programming at Marquee for the three weekends leading to October 31.
The October Las Vegas nightlife calendar outside of WWWY 2026 includes Life is Beautiful music festival at Downtown Las Vegas (typically third weekend of October), Route 91 Harvest country music festival, and the full Las Vegas nightclub fall season activation that follows the summer slowdown. For alternative and indie music fans who traveled for WWWY, Life is Beautiful offers the closest genre overlap in the Las Vegas 2026 calendar — though its downtown location makes The Cosmopolitan a slightly longer transit (15–20 minutes) than the Strip cluster's proximity to Las Vegas Festival Grounds.
Free Entry — No Cover
Get the Marquee Guest List for WWWY Weekend 2027
Submit your group details now and we'll confirm your Marquee guest list when WWWY 2027 dates are announced. Complimentary general admission, no walk-up cover. Text 725-999-9293 with “WWWY 2027, Cosmopolitan, group of [X].”
When We Were Young + The Cosmopolitan — Frequently Asked Questions
Is When We Were Young festival happening in 2026?
No. WWWY announced a 2026 hiatus and expects to return to Las Vegas Festival Grounds in October 2027. Monitor whenwewereyoungfestival.com for 2027 date and lineup announcements.
Why should I stay at The Cosmopolitan for When We Were Young 2027?
The Cosmopolitan at 3708 S Las Vegas Blvd is one of the closest major Strip hotels to Las Vegas Festival Grounds (8–12 min rideshare), with Marquee Nightclub on property for direct post-festival access. Center-Strip position gives access to OMNIA, Drai's, Hakkasan, and the full nightlife circuit.
What nightclub at The Cosmopolitan serves the WWWY after-party?
Marquee Nightclub — 40,000 sq ft across The Main Room, The Boom Box, and The Library. Programs electronic, hip-hop, and top-40. Marquee Dayclub runs afternoon pool programming on festival weekends (October weather in Las Vegas is ideal for pool parties).
How far is The Cosmopolitan from Las Vegas Festival Grounds?
Las Vegas Festival Grounds is at 3901 Las Vegas Blvd S — approximately 1.5 miles from The Cosmopolitan, 8–12 minutes by rideshare. During peak festival ingress and egress, rideshare wait times extend; The Cosmopolitan's position gives it one of the shorter transit times among major center-Strip hotels.
What is When We Were Young festival?
An annual Las Vegas music festival at Las Vegas Festival Grounds dedicated to emo, pop-punk, metalcore, and alternative rock. Artists have included My Chemical Romance, Paramore, Fall Out Boy, Bring Me the Horizon, The Used, Taking Back Sunday, Underoath, and dozens of 2000s-era alternative acts. 30,000+ attendees per day at peak editions.
What Las Vegas Strip nightclubs appeal to the WWWY crowd?
Marquee Nightclub at The Cosmopolitan, OMNIA Nightclub at Caesars Palace, and Drai's After Hours at The Cromwell. Drai's is particularly relevant for its after-hours programming extending past 4 AM for festival weekend groups with extended stamina.