A total of 16 teams contested the league, 14 of which already took part in the previous season and two of which were promoted from the Liga de Honra.
Benfica were the defending champions but finished runners-up to Porto, who won their 25th league title in the club's first-ever unbeaten season.
Belenenses and Leixões were relegated at the end of the 2009–10 season after finishing in the bottom two places of the table.
Belenenses ended an 11-year spell at the highest level of Portuguese football,[3] while Leixões returned to the Liga de Honra after three years.
[4] The two relegated teams were replaced by Liga de Honra champions Beira-Mar and runners-up Portimonense.