Mardi Gras Ballroom
The Orleans Hotel and Casino's largest function space, the Mardi Gras Room can be split in half or used as a whole with a capacity of 2,000 guests when set up reception-style. Available services include on-site catering, high-speed Internet, and full audio/visual equipment.| Name | Square Footage | Classroom | Theater | Rounds | Cocktail |
| Mardi Gras | 17,226 | 750 | 1,700 | 1,148 | 2,000 |
| Decatur | 975 | 375 | 850 | 600 | 1,000 |
| Toulouse | 970 | 375 | 850 | 600 | 1,000 |