League members or provincial all-star teams have on occasion advanced to compete in Presidents Cup, the national championship of Senior B box lacrosse in Canada.

First formed in 2001 as the Maritime Senior Mens Lacrosse League, five teams competed in the inaugural season.

Team Nova Scotia went 2-2 in round robin play, just missing a spot in the gold medal game.

A 2-3 round robin record in '78 earned Halifax a spot in the bronze medal game, where they lost to the Akwesasne Warriors 14-13.

In 1985 Nova Scotia Schooners represented the province in Ladner, British Columbia, failing to medal.