Noah Webster's Dictionary (a.) of or pertaining to a coast.

Multi-Version Concordance Coastal (1 Occurrence) Luke 6:17 He came down with them, and stood on a level place, with a crowd of his disciples, and a great number of the people from all Judea and Jerusalem, and the sea coast of Tyre and Sidon, who came to hear him and to be healed of their diseases; (See NAS)