Grab your Goblins and Ghouls and join us on The Green for a Monster Mash Halloween Party! Enjoy a live DJ, dance party, pumpkin decorating, candy and more! MarketStreet Lynnfield brings back its popular Halloween themed, MarketStreet Monster Mash, on Sunday, October 21, 2018. This family-friendly event, taking place from 1:00pm to 3:00pm on The Green, will feature resident DJ Rick DeSanctis spinning spooktacular songs. Costumes strongly encouraged!! Reserve your ticket here!