In 2003, the marching band attended its first marching festival. During the 2005 season the Crimson Band was invited to the Louisiana Showcase of Marching Bands, the largest in the state despite missing a month of rehearsals due to Hurricane Katrina. In the Fall of 2006, the band placed 3rd overall at the Louisiana Showcase and 5th overall in the Fall of 2007. In 2008, the band was named the Reserve Grand Champion at the Louisiana Showcase of Marching Bands. In 2009, the band placed 3rd overall with their show, Carpe Noctum. In 2010, the band once again was named Reserve Grand Champion at Louisiana Showcase with the show City of Scandal: Love and the Mob. In 2011, October 29, the Fontainebleau Crimson Band once again won Reserve Grand Champion at the Louisiana Showcase of Marching Bands, falling short of Lafayette High School by only 2½ points. The band has also been named the Grand Champion of the Northshore Camellia Marching festival in 2007, 2008, and 2010.