'Seacoast' in the Bible

therefore thus says the Lord Yahweh: 'Look! I [am] stretching out my hand against [the] Philistines, and I will cut off the Kerethites, and I will destroy the remainder of {the seacoast}.

And he came down with them [and] stood on a level place, and a large crowd of his disciples and a great multitude of people from all of Judea and Jerusalem and the seacoast district of Tyre and Sidon,