Coastal Waters
Coast
noun, の adjective
えんかい
宴会 (えんかい) Banquet, Dinner Party
沿海 (えんかい) Coastal Waters, Coast
海岸 (かいがん) Seashore, Coast, Seacoast
沿岸 (えんがん) Coast, Shore
臨海 (りんかい) Seaside, Coastal
They had a Banquet 宴会 on the Coast 沿海