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Key Reef Lighthouse

Fl White 6s🇺🇸Wrangell, USOperational

Location & Light Range

About Key Reef Lighthouse

This skeletal steel tower stands 12 meters tall on a square concrete pyramid base. Its focal height is 13 meters, and it emits a white light with one flash every 6 seconds. Located at the junction of Clarence Strait and Stikine Strait, the lighthouse guides vessels eastward toward Wrangell. The nearest port is Wrangell, 24.3 kilometers away. The site is open to visitors, though the tower itself is closed.

Why it matters: This lighthouse is indispensable for safe navigation through the complex junction of Clarence Strait and Stikine Strait, directly impacting vessels traveling to and from Wrangell.

Light & Optic

Characteristic Signature
Fl White 6s
Flash Type
Flashing
Light Color
White
Interval
6s
Raw Code
Fl W 6s
Focal Height
13m
Geographic Range
11.3NM

Location

City
Wrangell
Country
🇺🇸United States
Region
Alaska
Sea Region
Junction of Clarence Strait with Stikine Strait, leading eastward toward Wrangell.
Latitude
56.1529°
Longitude
-132.8470°

References & Identifiers

Nearest Port
Wrangell(24.3 km)
Admiralty No.
G6106
USCG No.
6-22480

Tower & Structure

Tower Height
12m
Tower Shape
skeletal
Material
steel

Structure: A 12m skeletal tower mounted on a square solid white concrete pyramid.

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 Key Reef Lighthouse at night?+
Key Reef displays the characteristic Fl White 6s. 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 Key Reef Lighthouse guide vessels into?+
Key Reef Lighthouse assists vessels approaching 5 nearby ports. The closest is WRANGELL at 24.3 NM to the NE. Other ports served include Thorne Bay (31.4 NM SSE), KLAWOCK (37.2 NM SSW), PETERSBURG (39.6 NM N), Petersburg (40 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Key Reef Lighthouse still active and maintained?+
Yes, Key Reef 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 Key Reef Lighthouse?+
You can track vessels near Key Reef 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.