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Cabilison Island Lighthouse

Fl White 5s🇵🇭Almagro, PHOperational

Location & Light Range

About Cabilison Island Lighthouse

Also known as: Cabilison Island (Almagro)

The Cabilison Island Lighthouse is a 10-meter white metal tower situated on the highest point of the island. Its light is visible for 21.4 nautical miles, emitting a white flash every five seconds. The lighthouse is located in the Samar Sea, between Samar and southern Masbate, marking Cabilison Island off the southwestern tip of Almagro Island. While its exact construction date is not confirmed, it is thought to have been established in the 1930s. The station's focal height reaches 70 meters above sea level. Access to the remote island is primarily by boat.

Why it matters: The lighthouse marks Cabilison Island, a hazard in the southern Samar Sea, guiding vessels navigating between Samar and southern Masbate.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
70m
Geographic Range
21.4NM

Location

City
Almagro
Country
🇵🇭Philippines
Region
Samar
Sea Region
Samar Sea, between Samar and southern Masbate, marking Cabilison Island off the southwestern tip of Almagro Island
Latitude
11.8894°
Longitude
124.2791°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Color
white
Material
metal

Structure: white metal tower

References & Identifiers

Nearest Port
Calbayog, Samar(21.2 km)
Admiralty No.
F2466
NGA No.
15036
ARLHS No.
PHI-011
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Frequently Asked Questions

How do mariners identify Cabilison Island Lighthouse at night?+
Cabilison Island displays the characteristic Fl White 5s. 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 Cabilison Island Lighthouse guide vessels into?+
Cabilison Island Lighthouse assists vessels approaching 5 nearby ports. The closest is Calbayog, Samar at 21 NM to the ENE. Other ports served include Calubian, Leyte (28.6 NM SSE), San Isidro/Sanjose (29.6 NM N), Leyte (33.6 NM SSE), Basey/Catbalogan (36.3 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Cabilison Island Lighthouse still active and maintained?+
Yes, Cabilison Island 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 Cabilison Island Lighthouse?+
You can track vessels near Cabilison Island 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.