Compete in our Halloween costume contest on the Mississippi River while enjoying Halloween festivities and fantastic views of the St. Louis skyline at night. Break out your Halloween best for a chance to win the Grand Prize during this costume party cruise. Dance to music played by a live DJ. Enjoy light hors d’oeuvres and a cash bar, along with Halloween treats. If your costume wins the Grand Prize, you will get two tickets to the New Year’s Eve Cruise.