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Manamil Island Lighthouse

Fl White 10s🇵🇭Sarangani, PHOperational

Location & Light Range

About Manamil Island Lighthouse

Also known as: Manamil Island (Balut Island)

This cylindrical lighthouse on Manamil Island stands 9 meters tall with a focal height of 120 meters. Constructed from white fiberglass, its structure is described as a round barbell shape. It emits a white light with a single flash every 10 seconds, visible for 14 nautical miles. The site is accessible to visitors arriving by boat, though the tower itself is closed to the public. Located near Sarangani in the Davao Occidental region of the Philippines, it is the nearest navigational aid to the port of General Santos, 44.5 kilometers away.

Why it matters: The lighthouse warns vessels navigating the waters around the Sarangani Islands, preventing groundings on submerged hazards. Its remote position highlights its necessity for safe passage in an area with few other navigational aids.

Light & Optic

Characteristic Signature
Fl White 10s
Flash Type
Flashing
Light Color
White
Interval
10s
Raw Code
Fl W 10s
Focal Height
120m
Geographic Range
14NM

Location

City
Sarangani
Country
🇵🇭Philippines
Region
Davao Occidental
Latitude
5.3682°
Longitude
125.3501°

References & Identifiers

Nearest Port
General Santos(44.5 km)
Admiralty No.
F2228.3
NGA No.
15185

Tower & Structure

Tower Height
9m
Tower Shape
cylindrical
Material
fiberglass

Structure: round barbell-shaped white fiberglass tower

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 Manamil Island Lighthouse at night?+
Manamil Island displays the characteristic Fl White 10s. 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 Manamil Island Lighthouse guide vessels into?+
Manamil Island Lighthouse assists vessels approaching 5 nearby ports. The closest is General Santos at 42.9 NM to the NNW. Other ports served include Babato/Dadiangas (46 NM NNW), Basiauang/Dadiangas (46 NM NNW), Banawan/Dadiangas (46 NM NNW), Kiamba/Dadiangas (46 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Manamil Island Lighthouse still active and maintained?+
Yes, Manamil 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 Manamil Island Lighthouse?+
You can track vessels near Manamil 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.