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St. George Island Lighthouse

Fl (4) White/Red 20s🇮🇳INOperational

Location & Light Range

About St. George Island Lighthouse

Also known as: St. George Island (Ilha de São Jorge, Grand Island)

A slender, cylindrical concrete tower with black and white horizontal bands stands 16 meters tall on St. George Island. This structure, built in 1977, replaced an earlier light established in 1956 on a skeletal tower. An external stairway spirals around the tower, leading to the lantern gallery. The lighthouse emits four white or red flashes every 20 seconds, with the color changing depending on the viewing direction. Its focal height reaches 93 meters above sea level, providing a geographic range of 24.1 nautical miles. The island is located about 8 kilometers south-southwest of Marmagão.

Why it matters: This lighthouse directs maritime traffic around Grand Island, south-southwest of Marmagão. Its directional light assists vessels navigating near the busy port.

Light & Optic

Characteristic Signature
Fl (4) White/Red 20s
Flash Type
Flashing
Light Color
White/Red
Flash Count
4 flashes
Interval
20s
Raw Code
Fl(4) WR 20s
Focal Height
93m
Geographic Range
24.1NM

Construction & History

Year Built
1977
First Lit
1956

Significant events: station established 1956, original light on skeletal tower

References & Identifiers

Nearest Port
Marmugao (Marmagao)(4.3 km)
Admiralty No.
F0628
NGA No.
F0628
ARLHS No.
IND-112

Tower & Structure

Tower Height
16m
Tower Shape
cylindrical
Tower Color
with black and white horizontal bands
Material
concrete

Structure: slender round cylindrical concrete tower with gallery and an external stairway spiraling around the tower

Location

Country
🇮🇳India
Region
Goa
Sea Region
Ilha de São Jorge (Grand Island), about 8 km south southwest of Marmagão
Latitude
15.3526°
Longitude
73.7629°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify St. George Island Lighthouse at night?+
St. George Island displays the characteristic Fl (4) White/Red 20s — 4 white/red 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/red color may indicate a specific sector or warning zone.
Which ports and harbors does St. George Island Lighthouse guide vessels into?+
St. George Island Lighthouse assists vessels approaching 4 nearby ports. The closest is Marmugao (Marmagao) at 4.6 NM to the NE. Other ports served include Panaji Port (8.1 NM NNE), Karwar (41 NM SSE), Belekeri (48.3 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is St. George Island Lighthouse still active and maintained?+
Yes, St. George Island 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.
How can I track vessels near St. George Island Lighthouse?+
You can track vessels near St. George Island 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.