The Alaska Aces ceased operations after the 2016-17 season.[1] The franchise was later purchased and relocated to Portland, Maine, for the 2018–19 season The team was later announced as being named the Maine Mariners.[2]
At the end of the regular season the top four teams in each division qualifies for the 2019 Kelly Cup playoffs and be seeded one through four based on highest point total earned in the season. Then the first two rounds of the playoffs are held within the division with the first seed facing the fourth seed and the second seed facing the third. The division champions then play each other in a conference championship. The Kelly Cup finals pits the Eastern Conference champion against the Western Conference champion. All four rounds are a best-of-seven format.