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Isotake Kō Lighthouse

Iso G 6s🇯🇵Shimane, JPInactive

Location & Light Range

About Isotake Kō Lighthouse

Isotake Kō is a hexagonal structure built from fiberglass. The tower stands 13 meters high and is painted white with distinct red bands. It emits a single red flash every 4 seconds. The light's visibility extends for 11 nautical miles.

Light & Optic

Characteristic Signature
Iso G 6s
Flash Type
Isophase
Light Color
Green
Flash Count
1 flash
Interval
6s
Raw Code
Fl.R. period 4s
Focal Height
14m
Geographic Range
11NM

Location

City
Shimane
Country
🇯🇵JP
Latitude
35.1859°
Longitude
132.4181°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
hexagonal
Tower Color
white and red
Material
fiberglass

Structure: White glass reinforced plastic(grp) fiberglass tower, red banded; 13

References & Identifiers

Admiralty No.
M7343
NGA No.
1892
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Frequently Asked Questions

How do mariners identify Isotake Kō Lighthouse at night?+
Isotake Kō displays the characteristic Iso G 6s — 1 green flash every 6 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Isotake Kō Lighthouse guide vessels into?+
Isotake Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Takuno at 1.3 NM to the SSW. Other ports served include Nima (1.9 NM SSW), Amiya (3 NM SSW), Yunotsu (6.6 NM SW), Taisha (17.7 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Isotake Kō Lighthouse still active and maintained?+
Isotake Kō Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
What shipping routes pass near Isotake Kō Lighthouse?+
Isotake Kō Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Isotake Kō Lighthouse?+
You can track vessels near Isotake Kō 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.