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Isla María Madre Lighthouse

Fl (2) White 10s🇲🇽MXOperational

Location & Light Range

About Isla María Madre Lighthouse

Also known as: Isla María Madre (Puerto Balleto)

This white, cylindrical concrete tower stands 7 meters tall on a ridge above Puerto Balleto, the island's only port. Its focal height of 62 meters provides a geographic range of 20.4 nautical miles. The structure includes a lantern and gallery attached to a one-story keeper's house. The light emits a white flash every 10 seconds. Since 2021, a new lantern has been installed, enhancing its operational capabilities. The lighthouse is the sole navigational aid for this remote Pacific outpost.

Why it matters: This lighthouse is essential for safe navigation to Puerto Balleto, the only port on Isla María Madre, guiding all vessels approaching the island.

Light & Optic

Characteristic Signature
Fl (2) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
62m
Geographic Range
20.4NM

Construction & History

Significant events: new lantern installed since 2021

References & Identifiers

Nearest Port
San Blas(69.7 km)
Admiralty No.
G3498
NGA No.
15028
Wikidata
Q118583050 →

Tower & Structure

Tower Height
7m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery attached to a large 1-story keeper's house

Location

Country
🇲🇽Mexico
Region
Nayarit
Sea Region
Located on a ridge above Puerto Balleto, the only port on Isla María Madre.
Latitude
21.6248°
Longitude
-106.5301°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Isla María Madre Lighthouse at night?+
Isla María Madre displays the characteristic Fl (2) White 10s — 2 white flashes every 10 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 color may indicate a specific sector or warning zone.
Is Isla María Madre Lighthouse still active and maintained?+
Yes, Isla María Madre 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 María Madre Lighthouse?+
You can track vessels near Isla María Madre 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.