SALTCOATS, a sea-port town of Ayrshire in Scotland, and on the frith of Clyde, at the end of the 17th century consisted of only four houses, but contained 1684 inhabitants in 1811. It is now a great resort of strangers in summer as a watering-place, has a considerable trade in coal and salt, with a rope-yard, the manufacture of sail-cloth and ship-building. It is 30 miles from Glasgow, and 18 from Ayr, and is in W. Long. 4^{\circ} 37'. N. Lat. 55^{\circ} 41'.