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Stoneport Lighthouse

Fl White 10s🇺🇸Alpena Township, USOperational

Location & Light Range

About Stoneport Lighthouse

A 15-meter steel post lighthouse stands at the end of a pier at Stoneport, Michigan. The cylindrical tower is painted white, with its upper section a contrasting red. Its light emits a white flash every 10 seconds, visible for nearly 12.5 nautical miles. The focal height of the light is 17 meters above the water. The site is open for visitors, though the tower itself remains closed to the public.

Why it matters: This lighthouse guides vessels navigating the harbor entrance for a large limestone quarry, facilitating the transport of its cargo.

Light & Optic

Characteristic Signature
Fl White 10s
Flash Type
Flashing
Light Color
White
Interval
10s
Raw Code
Fl W 10s
Focal Height
17m
Geographic Range
12.4NM

Location

City
Alpena Township
Country
🇺🇸United States
Region
Michigan
Sea Region
Harbor for a large limestone quarry, located at the end of a pier at Stoneport.
Latitude
45.1932°
Longitude
-83.3210°

References & Identifiers

Nearest Port
Alpena(8.5 km)
USCG No.
7-11530
ARLHS No.
USA-495

Tower & Structure

Tower Height
15m
Tower Shape
cylindrical
Tower Color
Upper part red, rest white
Material
steel

Structure: A 15m steel post with lantern and gallery, the upper part painted red and the rest white.

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 Stoneport Lighthouse at night?+
Stoneport 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 Stoneport Lighthouse guide vessels into?+
Stoneport Lighthouse assists vessels approaching 5 nearby ports. The closest is ALPENA at 8.9 NM to the SSW. Other ports served include PRESQUE ISLE (11.2 NM NW), Calcite (23.2 NM NW), Rogers City (24.8 NM NW), HARRISVILLE (32.1 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Stoneport Lighthouse still active and maintained?+
Yes, Stoneport 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 Stoneport Lighthouse?+
You can track vessels near Stoneport 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.