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Spectacle Shoal Lighthouse

Fl Red 4s🇨🇦Leeds and the Thousand Islands, CAOperational

Location & Light Range

About Spectacle Shoal Lighthouse

Also known as: Spectacles

Spectacle Shoal Lighthouse is a 6-meter-tall cylindrical concrete tower. Its focal height reaches 8 meters. The tower, painted white with a red band at its apex, rests upon a pentagonal concrete pier. Located on Spectacle Shoal, it emits a red light with a flashing characteristic of Fl R 4s, offering a 9.7-nautical-mile visibility range. The site is accessible to the public, though the tower remains closed. Clayton, the closest port, is 5.6 kilometers distant.

Why it matters: This navigation aid marks Spectacle Shoal, a submerged hazard in Canadian waters. Its red flashing light serves as a warning for boats navigating nearby routes.

Light & Optic

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
8m
Geographic Range
9.7NM

Location

City
Leeds and the Thousand Islands
Country
🇨🇦Canada
Region
Ontario
Sea Region
Spectacle Shoal, Canada
Latitude
44.3111°
Longitude
-76.1828°

References & Identifiers

Nearest Port
Clayton(5.6 km)
Admiralty No.
H2850
ARLHS No.
CAN-828

Tower & Structure

Tower Height
6m
Tower Shape
cylindrical
Tower Color
white with a red band at the top
Material
concrete

Structure: round tower painted white with a red band at the top, mounted on a pentagonal concrete pier

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 Spectacle Shoal Lighthouse at night?+
Spectacle Shoal displays the characteristic Fl Red 4s. 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Spectacle Shoal Lighthouse guide vessels into?+
Spectacle Shoal Lighthouse assists vessels approaching 5 nearby ports. The closest is GORDON MARINE at 1.3 NM to the NE. Other ports served include CLAYTON (6.4 NM SE), Clayton (7.4 NM SE), ALEXANDRIA BAY (11.4 NM E), Rockport (11.6 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Spectacle Shoal Lighthouse still active and maintained?+
Yes, Spectacle Shoal 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 Spectacle Shoal Lighthouse?+
You can track vessels near Spectacle Shoal 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.