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Isla Mason Lighthouse

Fl W 15s🇦🇷Southern Chile, AROperational

Location & Light Range

About Isla Mason Lighthouse

A white, octagonal concrete tower stands 25 meters above the water on Isla Mason. It emits a single white flash every 15 seconds. The structure is 9 meters tall and painted white with a red band. This lighthouse is situated on a small island where the Canal Icy meets the Canal Wide. Access is limited to boat transport.

Why it matters: This lighthouse has a geographic range of 10 nautical miles.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl.W. period 15s
Focal Height
25m
Geographic Range
10NM

Location

City
Southern Chile
Country
🇦🇷AR
Latitude
-49.6456°
Longitude
-74.3452°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
octagonal
Tower Color
white
Material
concrete

References & Identifiers

Admiralty No.
G1536
NGA No.
111-2120
ARLHS No.
CHI-043
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Frequently Asked Questions

How do mariners identify Isla Mason Lighthouse at night?+
Isla Mason displays the characteristic Fl W 15s — 1 white flash every 15 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 Mason Lighthouse guide vessels into?+
Isla Mason Lighthouse assists vessels approaching 1 nearby port. The closest is Puerto Edén at 31 NM to the N. Mariners should consult the relevant chart for full approach and pilotage information.
Is Isla Mason Lighthouse still active and maintained?+
Yes, Isla Mason 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 Mason Lighthouse?+
You can track vessels near Isla Mason 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.