Monday, May 16, 2022 Business Baton Rouge riverboat casinos see $2M April revenue drop from March By Julia-Claire Evans - May 16, 2022 FacebookTwitterLinkedinEmailPrint The Belle of Baton Rouge Casino (File photo) Baton Rouge’s three riverboat casinos posted a drop of more than $2 million in April, the first collective loss since January. Already an INSIDER? Sign in.