Mardi Gras Parades 2025 Slidell. The parade will feature over 700 riders on at least 25 floats which will include 6 tandem floats. The 2025 krewe of poseidon parade will roll down the streets of slidell starting at 6 pm on saturday, february 15, 2025.

Here is the calendar of 2025 carnival parades scheduled in the new orleans metro area as of sept. 22, 2025, or two saturdays before mardi gras.