The Shidduch Project hosts a Shabbaton for modern Orthodox/machmir young professionals, 23-40, at Riverdale Jewish Center. Includes three interactive meals, oneg with speakers including Rabbi Yitzy Genack, cocktails, speed dating, walks by the river and historical sites, musical Havdalah and kumsitz, and housing. Hosted by Rachel Ruchlamer and friends. or (201) 522-4776.