The Mayne Queen is one of three Powell River Class ferries operated by BC Ferries.
- Built: 1965, Victoria Machinery Depot Co. Victoria BC
- Launched: November 15, 1965
- Overall Length: 84.96 m
- Breadth: 18.7 m
- Gross Tons: 1,475.68
- Dead Weight: 515 tons
- Draught: 3.3 m
- Maximum Displacement: 1637 tonnes
- Car Capacity: 70
- Passenger & Crew Capacity: 400
- 4 Caterpillar diesel engines, 900 BHP each,
- 4 azimuth turning right angle drive propellers
- Maximum Speed: 14.5 knots