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Cabo San Isidro Lighthouse

Fl W 5s🇨🇱Southern Chile, CLOperational

Location & Light Range

About Cabo San Isidro Lighthouse

The Cabo San Isidro lighthouse was constructed in 1904 from masonry as a cylindrical tower. It stands 8 meters tall and features a white light with a single flash every 5 seconds. The focal height is 28 meters above sea level, providing a geographic range of 9 nautical miles. The tower is painted white and is attached to a keeper's house. Despite past disrepair of the lantern, the light remained active.

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
28m
Geographic Range
9NM

Construction & History

Year Built
1904

References & Identifiers

Admiralty No.
G1446
NGA No.
111-2380
ARLHS No.
CHI-010
Wikipedia
Read on Wikipedia →
Wikidata
Q5856513 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Shape
cylindrical
Tower Color
white
Material
masonry

Location

City
Southern Chile
Country
🇨🇱CL
Latitude
-53.7851°
Longitude
-70.9752°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Cabo San Isidro Lighthouse at night?+
Cabo San Isidro 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 Cabo San Isidro Lighthouse guide vessels into?+
Cabo San Isidro Lighthouse assists vessels approaching 5 nearby ports. The closest is PORVENIR at 35.5 NM to the NE. Other ports served include Porvenir (36.2 NM NE), Punta Arenas (38.6 NM N), Tres Puentes (40.3 NM N), Bahia Laredo (49.5 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Cabo San Isidro Lighthouse still active and maintained?+
Yes, Cabo San Isidro 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 Cabo San Isidro Lighthouse?+
You can track vessels near Cabo San Isidro 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.