KOEN
Seonyudo (선유도 남단 등대) in the middle, with the lights within 20 km, in their listed colours.
Seonyudo (선유도 남단 등대) — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s 25m 10M
- Height
- 25 m
- Nominal range
- 10 nmi = 19 km
- Type
- Landfall / major light
- Position
- 35.8053°N, 126.4014°E · West Sea coast

Lights nearby
- Seonyudo (선유도 남서방등표)9 quick white flashes every 15 seconds · 255 m
- Jangja Bridge (장자교 교량등)Steady green light · 646 m
- Jangja Bridge (장자교 교량등)Steady white light · 646 m
- Jangja Bridge (장자교 교량등)Steady red light · 646 m
- Jangja Bridge (장자교 교량등)Steady green light · 646 m
- Jangja Bridge (장자교 교량등)Steady white light · 646 m
- Jangja Bridge (장자교 교량등)Steady red light · 646 m
- Jangja Bridge (장자교 교량등)Steady yellow light · 646 m
Not for navigation. Use official NOAA charts and USCG Local Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: KHOA light list (국립해양조사원 등대표) (opens in a new tab) · Checked