[2] After being released by Middlesbrough in May 2010,[12] Martin signed for 1. deild karla club ÍA on 23 July 2010, initially on a short-term contract to the end of the season.

[citation needed] In the 2013 season, KR again won the Úrvalsdeild title,[2] with Martin being joint top scorer in the league with 13 goals.

[citation needed] During the season, Martin also made his first appearance in the UEFA Europa League, scoring his first goal in that competition against Glentoran.

[25] He signed for National League North club York City on 2 November 2017 on a short-term contract,[26] playing for them in the interim period before his transfer to Lillestrøm.

[27] He made his debut two days later in York's 2–1 home win over Curzon Ashton, in which he provided an assist for Jon Parkin to score the opening goal.

[28] Martin scored his first goal in his fourth appearance, a 3–1 home victory over Coalville Town in the FA Trophy third qualifying round on 25 November 2017.

[38] On 1 November 2024, Martin returned to England, signing a two-year deal with Northern Premier League side Bishop Auckland.