Several martial arts schools have opened and closed in the area in the last few years. At this point, Barnegat is home to two of them, whose owners say they plan to stick around. If you or your children ever considered karate as a way to boost self-esteem, learn self-defense, or stay physically fit and active, find out what makes each of the town's karate schools unique. SHOTOKAN KARATE Address: 86 Memorial Drive, Barnegat Owner: Sensei Tim Blumensteel, 42, of Bayville. In addition to teaching and operating the school, Blumensteel works for Bugbee Riggs Funeral Home in Barnegat, and for …