Career
He is known for his outstanding athleticism and long throw-insurance On 31 July 2010 he signed a 2 1⁄2-year contract with Örgryte Instruction Section, but was released when the club went bankrupt in early February 2011. In March 2011 he signed a one-year contract with Norwegian club Sandnes Ulf.
Steinþór played his first senior national team game for Iceland in November 2009 against Iran.