Filmmaker Nora Ephron’s classic 1993 romantic comedy “Sleepless in Seattle” is the latest in the series of free screenings by Sarasota Film Festival and Nathan Benderson park at the rowing venue’s Regatta Island.  Bring your lawn chairs and blankets, drinks and snacks will be available for cash purchase, and the event is dog friendly. 5 p.m. (gates) 6:30 p.m. (screening) Saturday, Nathan Benderson Park, 5851 Nathan Benderson Circle, Sarasota.