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Boca Spelonk Lighthouse

Fl W 5s🇧🇶Bonaire, BQOperational

Location & Light Range

About Boca Spelonk Lighthouse

Constructed in 1910, Boca Spelonk Lighthouse became operational in the same year. The tower measures 21 meters in height, with the light positioned at a focal height of 30 meters. It emits a white light that flashes once every 5 seconds. This navigational aid serves mariners in the vicinity of Bonaire.

Why it matters: The lighthouse provides a geographic range of 15 nautical miles.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 5s
Focal Height
30m
Geographic Range
15NM

Construction & History

Year Built
1910

References & Identifiers

Admiralty No.
J6414
NGA No.
16064
Wikidata
Q58035955 →

Tower & Structure

Tower Height
21m

Location

City
Bonaire
Country
🇧🇶BQ
Latitude
12.2121°
Longitude
-68.1966°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Boca Spelonk Lighthouse at night?+
Boca Spelonk displays the characteristic Fl W 5s — 1 white flash every 5 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 Boca Spelonk Lighthouse guide vessels into?+
Boca Spelonk Lighthouse assists vessels approaching 5 nearby ports. The closest is Kralendijk at 5.6 NM to the SW. Other ports served include Dorp Rincón (8.1 NM W), Bonaire (8.2 NM WSW), Goto (11 NM W), Bonaire Terminal (11 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Boca Spelonk Lighthouse still active and maintained?+
Yes, Boca Spelonk 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 Boca Spelonk Lighthouse?+
You can track vessels near Boca Spelonk 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.