The northern part of the Sea of Japan, which washes the Usuri region, has, besides the smaller bays of Olga and Vladimir, the beautiful Gulf of Peter the Great, on which stands Vladivostok, the Russian naval station on the Pacific. Okhotsk and Ayan on the Sea of Okhotsk, Petropavlovsk on the east shore of Kamchatka, Nikolayevsk, and Vladivostok on the Sea of Japan, and Dui on Sakhalin are the only ports of Siberia.
The chief ports are Las Palmas and Santa Cruz, which annually accommodate about 7000 vessels of over 8,000,000 tons.
As soon as the building of the city walls had been completed, Themistocles resumed the construction of the Peiraeus defences, which protected the larger harbour of Cantharus on the west and the smaller ports of Zea and Munychia (respectively southwest and south-east of the Munychia heights), terminating in moles at their entrances and enclosing the entire promontory on the land and sea sides except a portion of the south-west shore of the peninsula of Acte.
Ravenspur, once an important town of Yorkshire, where Bolingbroke, afterwards Henry IV., landed in 1399, is now submerged; and Dunwich and other ancient ports in East Anglia have met with the same fate.
The fisheries are extensive, and though there are no ports of the first magnitude on the firth, a considerable shipping trade is carried on at Whitehaven, Harrington, Workington, Maryport and Silloth in Cumberland, and at Annan, Kirkcudbright, Creetown and Wigtown on the Scottish side.
From two reports printed by the Scottish Burgh Record Society in 1881, it appears that the number of vessels belonging to the principal ports - Leith, Dundee, Glasgow, Kirkcaldy and Montrose - in 1656 was 58, the tonnage being 3140, and that by 1692 they had increased to 97 of 5905 tons.
The great variety of the rocks which meet the sea along the south of Cornwall and Devon has led to the formation of a singularly picturesque coast - the headlands being carved from the hardest igneous rocks, the bays cut back in the softer Devonian strata, The fjord-like inlets of Falmouth, Plymouth and Dartmouth are splendid natural harbours, which would have developed great commercial ports but for their remoteness from the centres of commerce and manufactures.
Trade with the Philippine Islands and the Hawaiian Islands and Alaska is important, while the coastwise trade with Pacific ports exceeds all the rest in tonnage.
Its ports on the Lincolnshire side are the small ferry-ports of Barton and New Holland, and the important harbour of Grimsby.
Stralsund entertains passengerboat communications with Barth, Stettin, Rostock and Lubeck as well as with various small ports on the isle of Riigen.