After a lengthy lay-up, she was sold in 1995, renamed Mary the Queen and operated as a ferry in south-east Asia, mainly sailing between Manila and Boracay.
Slightly heavier than her two predecessors, Mona's Queen had accommodation for 1600 passengers, 55 crew, and approximately 100 vehicles.
[2] Mona's Queen was powered by two 10-cylinder P.C.2 Crossley Pielstick engines, producing 10,000 brake horsepower.
[6] After the merger between the Steam Packet Co. and the Manx Line in 1985, Mona's Queen was used mainly during the holiday season or chartered out.
[2] Mary the Queen was sold to Indian ship-breakers[7] and beached at Alang on 1 September 2008.