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20th Annual Mayhem and Madness Halloween Bash


  • Hennessey's (Upstairs) 25 Union Street Boston, MA 02108 United States (map)

The BostonYPA Mayhem and Madness Halloween Bash has sold out every single year since its inception, join us as we take over a new and bigger venue, for a spooktakular Halloween.

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

Costume Contest:

  • $200 CASH  prize for the the BEST COSTUME.

  • Runner up prize packs for each category: Most Original, Sexiest, Best Couple or Group

  • Winners announced at Midnight

Tickets: 

VIP: $49-54 Start the Mayhem with exclusive privileges! (Advance Tickets Only)

  • Reserved VIP area with seating and coat racks

  • 2 Drink tickets when you arrive by11pm

  • Appetizers at 9pm, replenished at 10pm

  • Dedicated Bar (skip the lines!)

  • Glow sticks, party favors, and a Cauldron full of candy.

General Admission: $26 -34

  • 1 Drink ticket when you arrive by 11PM

This event is 21+, no exceptions. 

Ticket sales are final.