The Kadıköy İnciburnu Feneri (aka ''Kadıköy Feneri'' or ''İnciburnu Feneri'') is a lighthouse located at the head of Kadıköy Harbor's İnciburnu Breakwater on the

Anatolia Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...

n coast of

Bosporus The Bosporus Strait (; grc, Βόσπορος ; tr, İstanbul Boğazı 'Istanbul strait', colloquially ''Boğaz'') or Bosphorus Strait is a natural strait and an internationally significant waterway located in Istanbul in northwestern T ...

' south entrance, in

Kadıköy Kadıköy (), known in classical antiquity and during the Roman and Byzantine eras as Chalcedon ( gr, Χαλκηδών), is a large, populous, and cosmopolitan district in the Asian side of Istanbul, Turkey, on the northern shore of the Sea of ...

district of

Istanbul Istanbul ( , ; tr, İstanbul ), formerly known as Constantinople ( grc-gre, Κωνσταντινούπολις; la, Constantinopolis), is the List of largest cities and towns in Turkey, largest city in Turkey, serving as the country's economic, ...

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

. It is across from the Ahırkapı Feneri, which is on the

Rumelia Rumelia ( ota, روم ايلى, Rum İli; tr, Rumeli; el, Ρωμυλία), etymologically "Land of the Names of the Greeks#Romans (Ῥωμαῖοι), Romans", at the time meaning Eastern Orthodox Christians and more specifically Christians f ...

n coast of the strait at a distance of . A line connecting the two lighthouses marks the southern boundary of the Port of Istanbul. The lighthouse with an high tower is constructed in

concrete Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most wi ...

and painted white. It went on October 13, 1977, in service. Kadıköy İnciburnu Feneri is equipped with a lantern of type Tideland

ML-300 Tideland Signal, sometimes referred to as Tidelands, was a privately held, Houston, Texas based manufacturer of marine navigational aids, with main offices in Lafayette, Louisiana, Vancouver, British Columbia, Canada, Burgess Hill, UK, Dubai ...

featuring a one-piece

acrylic Acrylic may refer to: Chemicals and materials * Acrylic acid, the simplest acrylic compound * Acrylate polymer, a group of polymers (plastics) noted for transparency and elasticity * Acrylic resin, a group of related thermoplastic or thermosett ...

Fresnel lens A Fresnel lens ( ; ; or ) is a type of composite compact lens developed by the French physicist Augustin-Jean Fresnel (1788–1827) for use in lighthouses. It has been called "the invention that saved a million ships." The design allows the c ...

of 300mm

focal length The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power. A positive focal length indicates that a system converges light, while a negative foca ...

. It is powered by

solar energy Solar energy is radiant light and heat from the Sun that is harnessed using a range of technologies such as solar power to generate electricity, solar thermal energy (including solar water heating), and solar architecture. It is an essenti ...

producing 35 W. At a focal height of , it flashes white 2 seconds long every 4 seconds, which is visible at a range of in the

Sea of Marmara The Sea of Marmara,; grc, Προποντίς, Προποντίδα, Propontís, Propontída also known as the Marmara Sea, is an inland sea located entirely within the borders of Turkey. It connects the Black Sea to the Aegean Sea via the ...

References

Bosphorus Kadıköy Lighthouses completed in 1977 Lighthouses in Istanbul Sea of Marmara Towers completed in 1977 {{Lighthouse-stub