Origin: Latin suffix -al
Coastal has 4 different meanings across 2 categories:
located on or near or bordering on a coast
"coastal marshes"
"coastal waters"
"the Atlantic coastal plain"
Relating to the coast; on or near the coast, as a coastal town, a coastal breeze
"The small fishing village is a charming coastal town where the salty air fills every window."
Coastal Carolina University.
"I am currently attending Coastal Carolina University, where I enjoy classes on campus and exploring nearby beaches after lectures."