There is a regular communication by steamer between Stromness and Kirkwall, and Thurso, Wick, Aberdeen and Leith, and also between Kirkwall and Lerwick and other points of the Shetlands.
Old Red Sandstone, red grits, sandstones and marls and conglomerate occur in a narrow belt on the east side of Mainland from Sumburgh Head to Rova Head, north of Lerwick; they also form the island of Bressay.
Communication with the islands is maintained by steamers from Leith and Aberdeen to Lerwick, the capital (twice a week), and to Scalloway, the former capital, and other points (once a week).
Besides Lerwick (q.v.) the county town, one of the most interesting places in the island is Scalloway (8S7), the ancient capital.
Of Lerwick, from which it is separated by the Sound of Bressay, in which Haakon V., king of Norway, anchored his galleys on the expedition that ended so disastrously for him at Largs (1263).