Thursday, May 26, Come meet Jeff from Defiant and try 4 brews on the rooftop of the Iron Monkey. $5 Pints all night. On tap will be Medusa IPA, Muddy Creek Lager, Porter and their Seasonal. The Iron Monkey is located at 99 Greene Street in Jersey City. They can be found online, on Twitter and on Facebook as well. Make sure you ask for Matt, one of the managers, and tell him New Jersey Craft Beer sent ya!