MV Maid of Argyll was a passenger ferry operated by Caledonian Steam Packet Company, initially based at Craigendoran.

As City of Piraeus, she sailed from Flisvos marina on day cruises to the Saronic Islands, Aegina, Poros and Hydra.

[1] Maid of Argyll was initially based at Craigendoran, with runs to Gourock, Dunoon, Innellan and Rothesay.

On Saturdays, she took the Lochgoilhead/Arrochar leg of the "Three Lochs Tour", releasing PS Waverley to carry larger numbers of passengers to Dunoon and Rothesay.

She acquired the locked mail-room partitions and parcel/luggage shelter first fitted on her sister, Maid of Skelmorlie on the same duty, which CSP had assumed from David MacBrayne Ltd the previous October.