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Trinity House Lightship 1 Haslar Marina Lighthouse

F Green🇬🇧Gosport, GBOperational

Location & Light Range

About Trinity House Lightship 1 Haslar Marina Lighthouse

This two-masted steel lightship, built in 1946, features a hexagonal skeletal light tower with a lantern and gallery amidships. Painted green, it stands 3 meters tall and emits a green flashing light. The vessel served various stations around the English coast, including a period at the Royal Sovereign station. After its decommissioning in 1993, it was sold and became a marina club vessel. It later served as a restaurant from 1993 until October 2021, with a new restaurant opening in June 2023. The lightship is now located at Haslar Marina in Gosport, approximately 0.1 km from the nearest port.

Why it matters: As the last lightship to serve at the Royal Sovereign station, it guided numerous vessels. Its current role as a restaurant offers visitors a direct engagement with maritime heritage.

Light & Optic

Characteristic Signature
F Green
Flash Type
Fixed
Light Color
Green
Raw Code
F G
Light Range
2NM (3.7 km)

Construction & History

Year Built
1946

Significant events: Decommissioned 1993, served as Royal Sovereign, posted to numerous stations around the English coast, returned to Royal Sovereign station in 1971, sold as a marina club vessel, named Mary Mouse 2, opened as a restaurant in 1993, restaurant closed October 2021, new restaurant opened June 2023

References & Identifiers

Nearest Port
Gosport(0.1 km)
ARLHS No.
ENG-319

Tower & Structure

Tower Height
3m
Tower Shape
skeletal
Tower Color
green
Material
steel

Structure: two-masted steel lightship; hexagonal skeletal light tower with lantern and gallery amidships

Location

City
Gosport
Country
🇬🇧United Kingdom
Region
England
Sea Region
Located at the Haslar Marina on Haslar Road on the north side of the harbor in Gosport. It previously served at various stations around the English coast, including the Royal Sovereign station.
Latitude
50.7921°
Longitude
-1.1154°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Trinity House Lightship 1 Haslar Marina Lighthouse at night?+
Trinity House Lightship 1 Haslar Marina displays the characteristic F Green. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Trinity House Lightship 1 Haslar Marina Lighthouse guide vessels into?+
Trinity House Lightship 1 Haslar Marina Lighthouse assists vessels approaching 5 nearby ports. The closest is Gosport at 0.7 NM to the NW. Other ports served include Portsmouth (0.8 NM NE), SOUTHSEA (3 NM E), Ryde (3.8 NM SSW), Langstone (4.3 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Trinity House Lightship 1 Haslar Marina Lighthouse still active and maintained?+
Yes, Trinity House Lightship 1 Haslar Marina 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 Trinity House Lightship 1 Haslar Marina Lighthouse?+
Trinity House Lightship 1 Haslar Marina Lighthouse is located within the English Channel / North Sea corridor — one of the world's busiest maritime corridors connecting the Atlantic to Northern European ports. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Trinity House Lightship 1 Haslar Marina Lighthouse?+
You can track vessels near Trinity House Lightship 1 Haslar Marina 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.