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Isla Martillo Lighthouse

Fl White 7s🇦🇷AROperational

Location & Light Range

About Isla Martillo Lighthouse

This concrete, square pyramidal skeletal tower stands 7.5 meters high on Isla Martillo. It features a red exterior with a white horizontal band and is mounted on a 1-story concrete equipment shelter. The lighthouse emits a white flash every seven seconds and has a geographic range of 9.5 nautical miles. Located at the southeast end of the island, it lies east of Isla Gable. The nearest port is Puerto Williams, 8.5 kilometers away.

Why it matters: The lighthouse marks the southeastern extremity of Isla Martillo, guiding vessels through the intricate waterways of the Beagle Channel area.

Light & Optic

Characteristic Signature
Fl White 7s
Flash Type
Flashing
Light Color
White
Interval
7s
Raw Code
Fl W 7s
Focal Height
7.5m
Light Range
7NM (13.0 km)
Geographic Range
9.5NM

Location

Country
🇦🇷Argentina
Region
Tierra del Fuego
Sea Region
Located at the southeast end of Isla Martillo, a tadpole-shaped island east of the larger Isla Gable.
Latitude
-54.9097°
Longitude
-67.3750°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
7.5m
Tower Shape
square
Tower Color
red with a white horizontal band
Material
concrete

Structure: square pyramidal concrete skeletal tower mounted on a square 1-story concrete equipment shelter

References & Identifiers

Nearest Port
Puerto Williams(8.5 km)
Admiralty No.
G1308
NGA No.
111-2700
Wikidata
Q115219695 →
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Frequently Asked Questions

How far offshore can Isla Martillo Lighthouse be seen?+
With a focal height of 7.5 meters and a nominal range of 7 nautical miles (approximately 13.0 km), Isla Martillo is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Isla Martillo Lighthouse at night?+
Isla Martillo displays the characteristic Fl White 7s. 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 Isla Martillo Lighthouse guide vessels into?+
Isla Martillo Lighthouse assists vessels approaching 2 nearby ports. The closest is Puerto Williams at 8.1 NM to the W. Other ports served include Ushuaia (32 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Isla Martillo Lighthouse still active and maintained?+
Yes, Isla Martillo 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 Martillo Lighthouse?+
You can track vessels near Isla Martillo 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.