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Isla De Doña Sebastiana Lighthouse

Fl W 5s🇨🇱Southern Chile, CLOperational

Location & Light Range

About Isla De Doña Sebastiana Lighthouse

This seasonal lighthouse on Isla De Doña Sebastiana stands as a mast structure. Constructed from fiberglass, the 7-meter tower is painted with alternating white and red bands. The light emits a single white flash every 5 seconds. Its focal height reaches 30 meters above sea level, providing a geographic range of 10 nautical miles.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 5s
Focal Height
30m
Geographic Range
10NM

Location

City
Southern Chile
Country
🇨🇱CL
Latitude
-41.7426°
Longitude
-73.8167°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
7m
Tower Shape
mast
Tower Color
white and red
Material
fiberglass

Structure: Mast; 7. Seasonal

References & Identifiers

Admiralty No.
G1672.1
NGA No.
1548
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Frequently Asked Questions

How do mariners identify Isla De Doña Sebastiana Lighthouse at night?+
Isla De Doña Sebastiana displays the characteristic Fl W 5s — 1 white flash every 5 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 Isla De Doña Sebastiana Lighthouse guide vessels into?+
Isla De Doña Sebastiana Lighthouse assists vessels approaching 5 nearby ports. The closest is Ancud at 7.4 NM to the S. Other ports served include Maullín (12.4 NM NE), Chacao (14.3 NM ESE), Pargua (16.5 NM E), Calbuco (28.6 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Isla De Doña Sebastiana Lighthouse still active and maintained?+
Yes, Isla De Doña Sebastiana 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 Isla De Doña Sebastiana Lighthouse?+
You can track vessels near Isla De Doña Sebastiana 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.