Coastal is used to refer to things that are in the sea or on the land near a coast.
Local radio stations serving coastal areas often broadcast forecasts for yachtsmen.
服务沿海地区的地方电台经常向快艇驾驶者播放天气预报。
The fish are on sale from our own coastal waters.
这种正在出售的鱼来自于我们自己的沿海水域。