A blow-up screen, a soft breeze off the bay, and kids in costume sitting cross-legged in the sand. El Corsario turned into a seaside theater for a free Halloween movie night featuring animated shorts and Tim Burton nostalgia. Families arrived early with blankets and popcorn, then stayed late for photos and a last look at the water. It wasn’t a noisy club night—it was a community hangout where the city brought culture to the shoreline and made it …