A procession of decorated river floats transform the River Walk into a floating Mardi Gras celebration. Krewes of costumed revelers and live entertainment celebrate San Antonio style. Enjoy live music, entertainment, and food trucks. The public is encouraged to come dressed in masks, costumes, and beads. Free admission. Live Music & Entertainment, 1-6 p.m. (Arneson River Theatre) River Parade: 4-6 p.m. (2 ½ mile downtown area of the River Walk)