Halloween 2024 Events Upper East Side. By upper east site staff october 18, 2021, 3:59 pm comments off. One of the best things to do during the cooler fall days is to grab a hot chocolate and wander aimlessly in search of the best.

(victoria lipov/shutterstock) upper east side, ny — halloween is best. A halloween party for children at the allegedly haunted gracie mansion on saturday, october 31, 2021.