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Mandili Lighthouse

Fl (3) White 20s🇬🇷Karystos Municipality, GROperational

Location & Light Range

About Mandili Lighthouse

Also known as: Mandili (Mandiloú)

The Mandili Lighthouse, built in 1925, is a 10-meter-tall cylindrical concrete tower. Its lantern and gallery sit atop the structure, which is connected to a single-story keeper's house. Situated on an island off the southeastern coast of Euboea, it overlooks the entrance to the Kolpós Petalion. This waterway separates southern Euboea from the Attic peninsula. The lighthouse emits a white flash every 20 seconds, visible for 23 nautical miles.

Why it matters: This lighthouse is important for mariners entering the Kolpós Petalion, warning them of the island's presence and facilitating safe passage into the gulf.

Light & Optic

Characteristic Signature
Fl (3) White 20s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
20s
Raw Code
Fl W 20s
Focal Height
83m
Geographic Range
23NM

Construction & History

Year Built
1925

References & Identifiers

Nearest Port
Karystos(6.8 km)
Admiralty No.
N4451
NGA No.
16228
ARLHS No.
GRE-094
Wikidata
Q17355377 →

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round tower with lantern and gallery, attached to a 1-story keeper's house

Location

City
Karystos Municipality
Country
🇬🇷Greece
Region
Central Greece
Sea Region
Located atop an island off the southeastern tip of Euboea, marking the entrance to the Kolpós Petalion, the gulf separating southern Euboea from the Attic peninsula.
Latitude
37.9336°
Longitude
24.5252°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Mandili Lighthouse at night?+
Mandili displays the characteristic Fl (3) White 20s — 3 white flashes every 20 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Mandili Lighthouse guide vessels into?+
Mandili Lighthouse assists vessels approaching 5 nearby ports. The closest is Karystos at 6.9 NM to the NW. Other ports served include Gávrion (10.3 NM ESE), Marmari (11.9 NM NW), Kéa (Tzia) (18.9 NM SSW), Andros (20.3 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mandili Lighthouse still active and maintained?+
Yes, Mandili 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 Mandili Lighthouse?+
Mandili 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 Mandili Lighthouse?+
You can track vessels near Mandili 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.