This is the 1965-66 Maritimes Senior Playoffs. They decided the regional senior hockey champion and the entry into the Allan Cup playoffs.
Independent teams[]
Playoffs[]
Semi final[]
Best of 7
- Cape Breton beat Mainland
- Cape Breton 6 Mainland 4
- Mainland 3 Cape Breton 2
- Cape Breton 7 Mainland 2
- Cape Breton 7 Mainland 4
Cape Breton All Stars beat Mainland (Nova Scotia) All Stars 4 games to 1.
Final[]
Best of 7
- Moncton 4 Cape Breton 0
- Moncton 2 Cape Breton 0
- Moncton 5 Cape Breton 2
- Moncton 7 Cape Breton 3
Moncton Hawks beat Cape Breton All Stars 4 games to none.
Moncton Hawks advanced to the 1965-66 Eastern Canada Allan Cup Playoffs.