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Kadıköy Breakwater Lighthouse

Iso W 4s🇹🇷Northwestern Turkey, TROperational

Location & Light Range

About Kadıköy Breakwater Lighthouse

This latticed concrete tower, painted black and red, stands 14 meters above the water. It emits an isophase white light, completing its cycle every 4 seconds, visible for 13 nautical miles. The structure is located on a breakwater in Northwestern Turkey, with a black topmark, red banding, and a black base. It functions as an isolated danger marker within IALA Region B. The Kadıköy Breakwater lighthouse has been operational since at least 1959.

Why it matters: This lighthouse, along with Ahırkapı Lighthouse, marks the official southern boundary of the Bosphorus Strait.

Light & Optic

Characteristic Signature
Iso W 4s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Iso.W. period 4s
Focal Height
14m
Geographic Range
13NM

Location

City
Northwestern Turkey
Country
🇹🇷TR
Latitude
40.9926°
Longitude
29.0149°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
latticed
Tower Color
black and red
Material
concrete

Structure: ISOLATED DANGER (IALA B) Black tower, black topmark, red banded, black base

References & Identifiers

Admiralty No.
N4904.6
NGA No.
17360
Wikipedia
Read on Wikipedia →
Wikidata
Q6345873 →
OpenStreetMap
View on OSM →
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Frequently Asked Questions

How do mariners identify Kadıköy Breakwater Lighthouse at night?+
Kadıköy Breakwater displays the characteristic Iso W 4s — 1 white flash every 4 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area.
Which ports and harbors does Kadıköy Breakwater Lighthouse guide vessels into?+
Kadıköy Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Haydarpasa at 0.6 NM to the N. Other ports served include FENERBAHCE (1.4 NM SE), Üsküdar (2.2 NM NE), Kabatas (2.5 NM NNW), Karaköy/Istambul (2.8 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kadıköy Breakwater Lighthouse still active and maintained?+
Yes, Kadıköy Breakwater Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Kadıköy Breakwater Lighthouse?+
Kadıköy Breakwater Lighthouse is located within the Mediterranean East-West corridor — a major trade route spanning the Mediterranean from Gibraltar to the Suez Canal. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Kadıköy Breakwater Lighthouse?+
You can track vessels near Kadıköy Breakwater Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.