Ultra Music Festival is an annual outdoor electronic music festival that occurs in March in the city of Miami, Florida, United States. The festival coincides with the annual Winter Music Conference, also held in Miami.
Ultra is held in Downtown Miami in Bayfront Park. It was a one-day festival from 1999 to 2006, a two-day festival from 2007 to 2010, and was a three-day festival in 2011 to 2012. In 2012, a record 55,000 people per day attended the festival.