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Sidero Lighthouse

Fl (2) White 6s🇬🇷Corfu, GROperational

Location & Light Range

About Sidero Lighthouse

Also known as: Sidero (Sideros, Akra Sidero, Kérkyra, Corfu)

Built in 1828, the Sidero Lighthouse is an 8-meter cylindrical stone tower located within the Venetian citadel at the east end of Corfu town. It features an unpainted stone structure topped with a lantern that has a green roof. The lighthouse guides vessels to the main naval base and is situated near the port of Kerkira. Its focal height reaches 78 meters, offering a geographic range of 22.4 nautical miles. The light emits a white flash every 6 seconds. The structure includes a gallery and is attached to a small, single-story keeper's cottage.

Why it matters: This lighthouse represents a legacy of British naval presence in the Ionian Islands, marking the entrance to a principal naval base.

Light & Optic

Characteristic Signature
Fl (2) White 6s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
6s
Raw Code
Fl W 6s
Focal Height
78m
Geographic Range
22.4NM

Construction & History

Year Built
1828

Significant events: Endangered by poor maintenance, crumbling tile roof, missing lantern pane

References & Identifiers

Nearest Port
Kerkira (Corfu)(1.0 km)
Admiralty No.
N3756
NGA No.
14430
ARLHS No.
GRE-117

Tower & Structure

Tower Height
8m
Tower Shape
cylindrical
Tower Color
unpainted with a green lantern roof
Material
stone

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

Location

City
Corfu
Country
🇬🇷Greece
Region
Ioanian Islands
Sea Region
Ionian Islands, at the east end of Kérkyra town within the Venetian citadel, marking the way to a principal naval base
Latitude
39.6233°
Longitude
19.9290°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sidero Lighthouse at night?+
Sidero displays the characteristic Fl (2) White 6s — 2 white flashes every 6 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 Sidero Lighthouse guide vessels into?+
Sidero Lighthouse assists vessels approaching 5 nearby ports. The closest is Kérkira (Corfu) at 1 NM to the WNW. Other ports served include Gouvion (4 NM WNW), Benitsa (4.6 NM SSW), Ypsos (6.4 NM NW), Butrint (8.6 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sidero Lighthouse still active and maintained?+
Yes, Sidero 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 Sidero Lighthouse?+
Sidero 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 Sidero Lighthouse?+
You can track vessels near Sidero 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.