The annual San Diego St. Patrick's Day Parade and Festival in San Diego, California, lives up to its reputation as being the largest Irish celebration west of the Mississippi. The events main attraction is the parade, which features over 120 floats complete with marching bands, bagpipers, traditional Irish dance troupes, police and fire departments, clowns and dignitaries. The festival portion boasts two stages of live music, a beer garden and a ride-filled kids' zone. More Info below.