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Isla Monserrat Lighthouse

Fl (4) White 16s🇲🇽MXOperational

Location & Light Range

About Isla Monserrat Lighthouse

The lighthouse on Isla Monserrat is situated on the island's southern tip. The structure is a 10-meter tall, square skeletal tower with a gallery, painted white. Its light emits four white flashes every 16 seconds, visible for 13.2 nautical miles. The tower stands 20 meters above sea level. The site is open to visitors, though the tower itself is closed. Isla Monserrat is an island approximately 8 kilometers in diameter, located about 25 kilometers southeast of Isla Carmen.

Why it matters: This light marks the southern extremity of Isla Monserrat, serving as a guide for vessels navigating the waters southeast of Isla Carmen and within the Gulf of California.

Light & Optic

Characteristic Signature
Fl (4) White 16s
Flash Type
Flashing
Light Color
White
Flash Count
4 flashes
Interval
16s
Raw Code
Fl W 16s
Focal Height
20m
Geographic Range
13.2NM

Location

Country
🇲🇽Mexico
Sea Region
Located on the southern tip of Isla Monserrat, an island about 8 km in diameter and 25 km southeast of Isla Carmen.
Latitude
25.6500°
Longitude
-111.0305°

References & Identifiers

Nearest Port
Loreto(27.5 km)
Admiralty No.
G3563.85
NGA No.
14668

Tower & Structure

Tower Height
10m
Tower Shape
square
Tower Color
white

Structure: square skeletal tower with gallery, painted white

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Isla Monserrat Lighthouse at night?+
Isla Monserrat displays the characteristic Fl (4) White 16s — 4 white flashes every 16 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.
Which ports and harbors does Isla Monserrat Lighthouse guide vessels into?+
Isla Monserrat Lighthouse assists vessels approaching 1 nearby port. The closest is Loreto at 27.5 NM to the NW. Mariners should consult the relevant chart for full approach and pilotage information.
Is Isla Monserrat Lighthouse still active and maintained?+
Yes, Isla Monserrat 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 Monserrat Lighthouse?+
You can track vessels near Isla Monserrat 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.