22st Annual Mayhem and Madness Halloween Bash

When:
Friday, Oct 31, 2025 9:00p -
Saturday, Nov 01, 2025 2:00a

Where:
Hennesseys(Upstairs)
25 Union St
Boston, Ma 02108

EventScheduled OfflineEventAttendanceMode

Admission:
$26.00-34.00

Hosted by:
...
bostonypa BostonYPA

Categories:
Good for Groups, Nightlife, Party, Seasonal

Event website:
https://bostonhalloween2025.eventbrite.com/?aff=tbc

The BostonYPA Mayhem and Madness Halloween Bash has sold out every single year since its inception, now at a bigger venue, join us for a spooktakular Halloween Dancy Party.

Dance all night to the music of our favorite DJ Wali Shakir!

Costume Contest:

What's Included:

Advance Ticket holders have guaranteed entry - avoid the lines on Halloween and come upstairs to our dance party. Once sold out, we do start a wait list.

This event is 21+, no exceptions.


Ticket sales are final. Should you need to cancel your registration after October 1st, please contact us and we will attempt to fill your spot with someone from the waitlist.

Share this event

Add to:

Reddit
10/31/2025 21:00:00 11/01/2025 02:00:00 America/New_York 22st Annual Mayhem and Madness Halloween Bash <p>The BostonYPA Mayhem and Madness Halloween Bash has sold out every single year since its inception, now at a bigger venue, join us for a spooktakular Halloween Dancy Party.</p><p>Dance all night...

https://www.thebostoncalendar.com/events/22st-annual-mayhem-and-madness-halloween-bash Hennesseys(Upstairs), Boston, Ma 02108 false MM/DD/YYYY

Sponsored events