Club Sport Marítimo MH M, commonly known as just Marítimo, is a Portuguese sports club, founded in Funchal, Madeira, in 1910. The club is regarded as an important club in Portugal, and is widely known throughout the Portuguese speaking world, in countries such as Brazil, Angola, and Cape Verde. Marítimo is best known for its football team that currently plays in the top-flight competition, the I League. The club's reserve team, Marítimo B, compete in the II League. Aside football, Marítimo also have teams in other sports competing in the national leagues, such as volleyball, handball, roller hockey and athletics. Marítimo supporters are nicknamed Maritimistas.
Marítimo have dominated Madeira's regional football scene since its establishment. The club hold one national title, the Championship of Portugal, won in 1926. After a long period without being able to participate in national championships, they finally made their appearance in 1973. Since then Marítimo was present for thirty-three times in I League, was two times runners-up of the Portuguese Cup, and participated eight times in the UEFA Cup/Europa League. The club also won the II League twice.