The Mardi Gras Museum can be found within the historical Magnolia Hotel in the city of Biloxi. It features a wide display of elaborately done costumes for the famous Mardi Gras festival and with the items, defined how the entire event started out way back then. The history it tells can be counted up to about 300 years in celebration of the event right on the Gulf Coast.

Along with costumes, the museum houses some of the best photographs taken and other memorabilia items that were taken along the coast. It is open from Mondays to Saturdays and has admission fee for every visitor. It also welcomes donations so as to help in maintaining and preserving the entire unique beauty of the museum.