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Mary Anne Reef (Mary Anne Island) Lighthouse

Fl White 5s🇦🇺City of Karratha, AUOperational

Location & Light Range

About Mary Anne Reef (Mary Anne Island) Lighthouse

A white fiberglass tower stands 4 meters tall on Mary Anne Reef, first lit in 2008. The structure's focal height is 8 meters, and it emits a white flash every 5 seconds. Its geographic range extends to 9.7 nautical miles. This modern lighthouse was built to address maritime safety concerns in the vicinity of Mary Anne Island. It is located near the City of Karratha in Western Australia.

Why it matters: The lighthouse warns ships about the Mary Anne Reef, a navigational hazard that could cause groundings.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
8m
Geographic Range
9.7NM

Construction & History

Year Built
2008

References & Identifiers

Nearest Port
Airlie Island(17.2 km)
Admiralty No.
Q1696
NGA No.
9308

Tower & Structure

Tower Height
4m
Tower Color
white
Material
fiberglass

Structure: white fiberglass tower

Location

City
City of Karratha
Country
🇦🇺Australia
Region
Western Australia
Sea Region
Mary Anne Reef (Mary Anne Island)
Latitude
-21.2619°
Longitude
115.4640°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Mary Anne Reef (Mary Anne Island) Lighthouse at night?+
Mary Anne Reef (Mary Anne 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 Mary Anne Reef (Mary Anne Island) Lighthouse guide vessels into?+
Mary Anne Reef (Mary Anne Island) Lighthouse assists vessels approaching 5 nearby ports. The closest is Airlie Terminal at 17.2 NM to the WSW. Other ports served include Thevenard Island (29.2 NM WSW), Barrow Island (29.9 NM N), Onslow (29.9 NM SW), Ashburton (35 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mary Anne Reef (Mary Anne Island) Lighthouse still active and maintained?+
Yes, Mary Anne Reef (Mary Anne 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 Mary Anne Reef (Mary Anne Island) Lighthouse?+
You can track vessels near Mary Anne Reef (Mary Anne 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.