This is the 2017-18 Long Lake Senior Hockey League season. This is the league's 40th season.
- The Wynyard Monarchs had informed the Highway Hockey League at the HHL spring meeting on April 12, 2017 that they were leaving the league to join the Long Lake Senior Hockey League.
the league is playing an interlocking schedule with the Fort Carlton Hockey League as that league is down to four teams.
All teams qualify with the top two seeds earning a bye to the semifinals 3 vs 6 and 4 vs 5 in best-of-three quarterfinal series. Based on past seasons the semifinal and final rounds are best-of-five series.
- Leroy Braves defeated Wynyard Monarchs 2 games to none
- Davidson Cyclones defeated Lanigan Pirates 2 games to none
- Drake Canucks defeated Leroy Braves 3 games to none
- Watrous Winterhawks defeated Davidson Cyclones 3 games to 1
- Drake Canucks defeated Watrous Winterhawks 3 games to none