Kara-Lynn MacDonald notched the winning goal with a high shot in the third extra period to give the Comets a 3-2 victory over the Flash in the final.
Triple overtime was reduced to two skaters and a goaltender per team.
The Comets fell behind 1-0 in the first period. MacDonald answered in the second with a shorthanded tally while her team was two players short.
The Flash took the lead again in the third, however, the Comets got a goal from Holly Masters to pull even and force overtime.
Earlier that morning the Comets punched their ticket to the championship game by slipping past P.E.I Pride 2-0 in a tight game.
With no scoring in the first period, the Comets broke the deadlock late in the second. Gabrielle Fraser scored the goal, and added another late in the third period. Goaltender Erin Sullivan recorded the shutout.
It was the first season for the Comets, who posted a regular-season record of 8-1-1. The team drew players from Colchester County, New Glasgow, Advacate Harbour and Parrsboro.