 Martin, born in Nice, joined the Youth Teams of AS Monaco in 2000 and made his debut for Monaco in the 2005–06 Ligue 1 season, playing one game that year – a 2–2 draw with Nancy on 13 May 2006.Captain of the Reserve Team of AS Monaco, he was French Champion of Professional Reserve Teams in 2007/2008.He made eight appearances with the first team of AS Monaco in the 2007–08 season.