coastline
//ˈkoʊstˌlaɪn//
Noun
coastlineSingular
coastlinesPlural
1
The outline or boundary of a coast, especially as seen from the sea or on a map.
The coastline of this island is beautiful when viewed from the sea.
2
The land along a coast; the seashore area.
We walked along the beautiful coastline and enjoyed the ocean view.