In Part 1, the origins and development of the Castle steamers over the first decade were traced. By the end of 1826, the four steamers, Rothsay Castle, Inverary Castle, Toward Castle, and Dunoon Castle, while owned as separate companies, acted in consort to control the routes from Glasgow to Rothesay, thence to Loch Fyne, Inveraray, and Arran. The tourist traffic to the western highlands and islands in summer was particularly remunerative, but it was the reliable, year-round service with both goods and passengers that endeared the steamers to the residents of Cowal, Rothesay and Lochfyneside. The steamers were strongly built with deep draughts, that in the late 1830s still required them to sail with an eye on the tide to sail up and down the narrow River Clyde. With their tall black funnels with a white band, the steamers inspired confidence. The winter schedule of the Castle steamers...