Updates on Positive News, Events and Happenings in Keansburg. "Great things are happening in Keansburg". Keansburg, NJ, ranks as the No. 1 bargain beach town in the country, according to a report by RealtyTrac. - Source New York Post July 5, 2016. August 2017 - Keansburg was named the #2 Affordable Beach Town in the country by Realtor.com. Subscribe to our Blog and get real-time updates.