I have stored polyline kml coordinates for islands, coastlines and lakes. Feel free to use them if you like.
Choose a shape from the drop-down menu. Click on 'Submit', and the line/outline will be presented on the map.
Touch the polyline if you want to edit the coordinates before you copy them.
Some of the available islands are Aland, Azores, Bali, Canary Islands, China's Hainan, the islands of Denmark,
Corsica, Cuba, Cyprus, Falkland, Faroe, Great Britain/United Kingdom, Iceland, Ireland, Isle of Man, Jamaica, Japan, Madagascar,
Madeira, New Guinea, New Zealand, Philippines' islands (Balabac, Balut, Basilan, Bilirian, Bohol,
Bucas, Bulan, Burias, Busuanga, Calamian, Camiguin, Catanduanes, Cebu, Culion, Dinagat, Dumaran, Guimaras,
Jolo, Leyte, Lubang, Luzon, Marinduque, Masbate, Mindanao, Mindoro, Negros, Palawan, Panaon, Panay, Patnanungan, Polillo,
Samar, Sarangani, Siargao, Siquijor, Suluarch, Tablas, Tarawakan, Tawitawi),
Russia's Sakhalin, Sardinia, Solomon, Sri Lanka, Sweden's Gotland,
Taiwan, Tasmania, Trinidad.
