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Cabo San Juan Lighthouse

Fl W 15s🇵🇷Puerto Rico, PROperational

Location & Light Range

About Cabo San Juan Lighthouse

Also known as: Cape San Juan Light

This round metal tower, standing 14 meters tall, displays white and black banding. A white dwelling is attached to its black base. The light emits a single white flash every 15 seconds from a focal height of 79 meters. The lighthouse has a geographic range of 11 nautical miles.

Why it matters: The lighthouse has a heritage status of 2.

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
79m
Geographic Range
11NM

Construction & History

Heritage Status
2

References & Identifiers

Admiralty No.
J5528
NGA No.
14464
Wikipedia
Read on Wikipedia →
Wikidata
Q15207418 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
14m
Tower Shape
round
Tower Color
white and black
Material
metal

Structure: Round tower, black base, white dwelling; 46

Location

City
Puerto Rico
Country
🇵🇷PR
Latitude
18.3814°
Longitude
-65.6181°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Cabo San Juan Lighthouse at night?+
Cabo San Juan 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 Cabo San Juan Lighthouse guide vessels into?+
Cabo San Juan Lighthouse assists vessels approaching 5 nearby ports. The closest is FAJARDO at 2.9 NM to the SSW. Other ports served include ROOSEVELT ROADS (9 NM S), NAGUABO (12.9 NM SSW), VIEQUES (17 NM SE), CULEBRA (19 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Cabo San Juan Lighthouse still active and maintained?+
Yes, Cabo San Juan 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 Juan Lighthouse?+
You can track vessels near Cabo San Juan 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.