Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Sandögrundet Lighthouse

Oc White/Red 4s🇸🇪Luleå, SEOperational

Location & Light Range

About Sandögrundet Lighthouse

The Sandögrundet lighthouse, constructed in 1898, is a 6-meter tall, square concrete pier. It supports a square equipment shelter, which is topped with a white lantern. This structure is positioned on a shoal within Luleå harbor, Sweden. Its light characteristic is an occulting white or red flash every 4 seconds, depending on the viewing direction. The site can be visited, but public access to the tower is restricted. It is situated 1.1 km from Lulea, the nearest port.

Why it matters: The lighthouse's white and red occulting light serves as a navigation aid for vessels entering the Luleå port, marking a submerged hazard and supporting maritime traffic.

Light & Optic

Characteristic Signature
Oc White/Red 4s
Flash Type
Occulting
Light Color
White/Red
Interval
4s
Raw Code
Oc W R 4s
Focal Height
6m
Light Range
12.2NM (22.6 km)
Geographic Range
8.9NM

Construction & History

Year Built
1898

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
6m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: A 6m square concrete pier supporting a square equipment shelter, topped by a white lantern.

Location

City
Luleå
Country
🇸🇪Sweden
Region
Norrbotten County
Sea Region
shoal in Luleå harbor, Sweden
Latitude
65.5499°
Longitude
22.1960°

References & Identifiers

Nearest Port
Lulea(1.1 km)
Admiralty No.
C5770
NGA No.
11680
Wikidata
Q41748696 →
Live tracking · 50,000+ mariners

Find Sandögrundet Lighthouse on the live nautical map

Plan voyages near Sweden, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How far offshore can Sandögrundet Lighthouse be seen?+
With a focal height of 6 meters and a nominal range of 12.2 nautical miles (approximately 22.6 km), Sandögrundet is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Sandögrundet Lighthouse at night?+
Sandögrundet displays the characteristic Oc White/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 white/red color may indicate a specific sector or warning zone.
Which ports and harbors does Sandögrundet Lighthouse guide vessels into?+
Sandögrundet Lighthouse assists vessels approaching 5 nearby ports. The closest is Luleå at 2.3 NM to the NNW. Other ports served include Piteå (21.7 NM SW), Haraholmen (23.4 NM SW), Töre (23.8 NM NNE), Munksund (24.3 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sandögrundet Lighthouse still active and maintained?+
Yes, Sandögrundet 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.
What shipping routes pass near Sandögrundet Lighthouse?+
Sandögrundet Lighthouse is located within the Baltic Sea trade route — a vital shipping corridor for trade between Scandinavian, German, Polish, and Baltic state ports. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Sandögrundet Lighthouse?+
You can track vessels near Sandögrundet 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.