1. 19th Annual Mayhem and Madness Halloween Bash
The BostonYPA Mayhem and Madness Halloween Bash has sold out every year with the exception of a pause in 2020. The night promises to be a spook-tacular event. DJ Wali Shakir will be spinning all night long and there is a costume contest, with a prize of $200 for best costume and runner-up prizes for lots of categories including: Most Original, Sexiest and Best Couple or Group. General admission tickets are $29.