Daymarks have no light , but they have their meaning in mariners navigation beside lighthouses or bouys.
Bob Trapani Jr. has performed a great website for daybeacons and daymarks.
I will add in this blog some pictures of uncommon daymarks around the world.
Germany, Cuxhaven, Kugelbake
Kugelbake is the logo and symbol of the town Cuxhaven, erected about 1703. Todays height 28,4 m, wooden tower and the most northern point of Lower Saxony.
Ireland, Westtown, Metal Man Beacons
built 1823, 10 m tall, never lit
Netherlands, Texel, Kaap Oosterend
erected 1854, 15 m tall, never lit
France, Charente- Maritime, Fanal de Beaumont
Date unknown, 9m tall conical stone tower, maybe a fire was lit inside
Laos, Luang Prabang, Mekong River
About 1894, French colonizers built in the Mekong daymarks for navigation
Australia, South Australia, Robe Obelisk
1852, never lit, 12 m high, Admiralty Q2123
USA, Long Island, Sands Point, maybe was earlier lit, USCG 1-21470
Ireland, Baltimore Beacon, 1849, never lit
Germany, island Neuwerk, often destroyed and reerected, 27 m tall
England, Gribbin Head, 1832, 25 m stone tower, never lit
England; Portreath Beacon, never lit, 7,5 m tall
France, Tour du Gardour, 1952, 12 m steel skeletal tower at the highest point of Charente coast
Italy, Golfo di Trieste, Punta Sottile, 18 m daybeacon, never lit
Denmark, West Jylland, Lökken
Germany, Niedersachsen, Borkum, Kleines Kaap; 1872, 11,7 m high
Germany, Niedersachsen, Borkum, Großes Kaap, 1872, 23,4 high
Germany, Niedersachsen, Borkum, Oostbake, 1872, 7,3 m high
France, Brittany, Trieux estuary, near Bodic
Estonia, Laulasmaa, 1951, 44 m high
United States, Connecticut, Saybrook, 7m high, USCG 1-22510
United States, Maine, Stage Island Monument, 19m high, USCG 1-7960
Germany, Schleswig-Holstein, Goemnitzer Tower, 9m high, 1826/1827
Denmark; Christiansø Island / Kongens Bastion