Born in Castelo de Paiva, Aveiro District, Marco came through the ranks at Boavista F.C.
In the 2008–09 season, the club's first in the Primeira Liga, he played 12 games and Paulo Lopes 18; his debut was a 1–0 away win against Vitória S.C. on 22 February 2009.
[6] He subsequently replaced the veteran as starting goalkeeper, and in June 2021 he was rewarded for his role in a best-ever sixth-place finish[7] with three more seasons to his contract.
[8] Aged 34, Marco made his European debut on 22 July 2021 in the first leg of the second qualifying round of the new UEFA Europa Conference League.
He kept a clean sheet in a 3–0 win away to KF Shkupi in North Macedonia, as well as the 2–0 victory in the second leg a week later.