Fifty-four vessels with 84,844 tons and crews numbering 1168 persons were sea-going; 134 with 6587 tons were coasting-vessels, and 246 with 353 tons were fishing vessels.
Bahrein, Kuwet and Muscat are in steam communication with India, and the Persian Gulf ports; all the great lines of steamships call at Aden on their way between Suez and the East, and regular services are maintained between Suez, Jidda, Hodeda and Aden, as well as to the ports on the African coast, while native coasting craft trade to the smaller ports on the Red Sea and Indian Ocean.
Besides farming and fishing, the inhabitants carry on a coasting trade with various Mediterranean ports.
Wine, fruit, cork, baskets and sumach are exported in small coasting vessels; there are important sardine and tunny fisheries; and boats, sails and cordage are manufactured.
Of Mauretania with the accounts of coasting voyages by Nearchus and other geographers, and circulated by him under the name of Onesicritus, was largely used by Pliny.