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

Libertus Lighthouse

Fl (3) White/Red/Green 9s🇸🇪Lidingö kommun, SEOperational

Location & Light Range

About Libertus Lighthouse

A cylindrical concrete tower, painted white and standing 7 meters tall, was first lit in 1931. It is situated on the northwest tip of a small island within the Lilla Värtan sound, near where several ship channels meet. The structure includes a lantern and gallery, and its focal height is 6 meters above sea level. The light emits three flashes, alternating between white, red, and green, every nine seconds. This light has a geographic range of 8.9 nautical miles. While the tower is closed to visitors, the island site is accessible.

Why it matters: This lighthouse is essential for guiding vessels westbound toward Stockholm, especially through the junction of ship channels in the Lilla Värtan sound, ensuring the smooth flow of shipping into the capital.

Light & Optic

Characteristic Signature
Fl (3) White/Red/Green 9s
Flash Type
Flashing
Light Color
White/Red/Green
Flash Count
3 flashes
Interval
9s
Raw Code
Fl(3) WRG 9s
Focal Height
6m
Light Range
5NM (9.3 km)
Geographic Range
8.9NM

Construction & History

First Lit
1931

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
7m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round concrete tower with lantern and gallery, painted white

Location

City
Lidingö kommun
Country
🇸🇪Sweden
Region
Stockholm County
Sea Region
Located at the northwest tip of a small island in the Lilla Värtan sound, near a junction point for several ship channels. It guides vessels westbound for Stockholm.
Latitude
59.3323°
Longitude
18.1764°

References & Identifiers

Nearest Port
Stockholm(0.2 km)
Admiralty No.
C6550
NGA No.
9548
ARLHS No.
SWE480
Wikidata
Q10561018 →
OpenStreetMap
View on OSM →
Live tracking · 50,000+ mariners

Find Libertus 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 Libertus Lighthouse be seen?+
With a focal height of 6 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Libertus is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Libertus Lighthouse at night?+
Libertus displays the characteristic Fl (3) White/Red/Green 9s — 3 white/red/green flashes every 9 seconds. 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/green color may indicate a specific sector or warning zone.
Which ports and harbors does Libertus Lighthouse guide vessels into?+
Libertus Lighthouse assists vessels approaching 5 nearby ports. The closest is Bergs oljehamn at 1 NM to the SSW. Other ports served include Gustavsvik/Stockholm (3.9 NM ESE), Loudden/Stockholm (3.9 NM W), Stockholm (3.9 NM W), Vaxholm (6.3 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Libertus Lighthouse still active and maintained?+
Yes, Libertus 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 Libertus Lighthouse?+
Libertus 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 Libertus Lighthouse?+
You can track vessels near Libertus 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.