Cam Ranh Bay
The provincial coastline spreads from Đại Lãnh Commune to the end of Cam Ranh Bay with of coastline featuring numerous creek mouths, lagoons, river mouths, and hundreds of islands and islets. The province also administers large territorial waters. The Spratly Islands are part of the province's Trường Sa District. The coastline is indented by several bays, most notably the four bays of Vân Phong Bay, Nha Phu Bay, Nha Trang Bay (Cù Huân) and Cam Ranh Bay, of which Cam Ranh Bay with an area of around , encompassed by a mountain range, is regarded as one of the three best natural seaports in the world. Cam Ranh Bay is strategically important and has been used as a naval base by several major powers throughout history.