coasting trade
Webster's Dictionary (GCIDE)
Coasting \Coast"ing\, a. Sailing along or near a coast, or running between ports along a coast. [1913 Webster]
Coasting trade, trade carried on by water between neighboring ports of the same country, as distinguished from foreign trade or trade involving long voyages.
Coasting vessel, a vessel employed in coasting; a coaster. [1913 Webster]