They that go down to the sea in ships. That many of the Israelites engaged in maritime pursuits appears from 1 Kings 9:26-28; 1 Kings 10:22; 1 Kings 22:48; 2 Chronicles 20:36; as also from 5:17; Psalms 48:7; Proverbs 23:34; Proverbs 30:19; and from many passages of the Apocrypha.
Joppa was at all times an Israelite port, from which trade was carried on by the residents (2 Chronicles 2:16; Ezra 3:7; Jonah 1:3). That do business in great waters; i.e. the sea of Galilee and Lake Merom.