The word 'coastlines' is correct and commonly used in written English.
You can use the word 'coastlines' to refer to the border between land and water, specifically the meeting point of the landmass and the ocean or sea. It can also refer to the landforms along this border, including cliffs, beaches, and other features. Example: The Mediterranean has some of the most beautiful coastlines in the world, with its crystal-clear waters and picturesque beaches attracting millions of tourists every year.
They came by letter, email and telephone, scribbled on postcards or yellowed prewar foolscap, transcribed from cassette recordings of Suffolk longshoremen made half a century ago, or taken from hand-sketched maps of Highland hill country and island coastlines.
Carl Sargeant, Welsh minister for natural resources, said: "Our bathing waters are an important natural resource that has environmental, social and economic benefits for the whole of Wales, with our fantastic beaches and beautiful coastlines enjoyed by millions every year".
Weekly departures throughout 2010 California's picturesque railroads offer a fascinating way to see America's Wild West, whisking you past giant redwood forests, rugged coastlines and historic gold rush towns that might otherwise take days to reach by car.
At night, some of the hotels aren't shy with their sound systems while the rows of gaming machines along the beach can leave you feeling you've taken your passeggiata along the North pier rather than one of Italy's most desirable coastlines.
But even compared with similar sea-front countries those without coastlines have lagged behind.
Siting turbines within view of coastlines causes conflicts with shipping, the armed forces, fishermen and conservationists.
Climatologists are actively working to determine the exact mass balance of Antarctica's ice sheets, an endeavor that has important ramifications for coastlines everywhere.Three hours and a soft ski-landing later, we've arrived at the South Pole.
But a lot of fishing is carried out in territorial waters that stretch 12 nautical miles from a country's coastline, as well as so-called exclusive economic zones that stretch to 200 nautical miles beyond coastlines, over which a more limited sovereignty exists.
It took between 90 and 150 minutes after the quake for the tsunami to reach the coastlines where it did most damage.
At almost 37,000km in length, Australia's is one of the world's longest coastlines, most of it uninhabited.Since 1990, almost 3,650 illegal boat immigrants have landed in Australia.
Oil on the fine white sand of the Mississippi, Alabama and Florida coastlines would depress tourism, but workers could scrape it up and haul it away.
