After delay, Coney Island will open 2021 season Monday Scheduled opening was postponed due to water main leak Coney Island and last updated 2021-06-03 09:27:56-04 ANDERSON TOWNSHIP, Ohio â Coney Islandâs 2021 season will open Monday, June 7 after its scheduled May 29 opening was delayed to repair a water main leak in the Sunlite Pool area. Officials announced Thursday that the leak has been repaired, and the park is ready to host visitors next week. âConey Island is excited to welcome guests for a 2021 season filled with new attractions and family favorites. We thank everyone for their patience as we worked to ensure a safe and top-notch experience in the Sunlite Water Adventure Area,â said Coney Island president Rob Schutter in a release.