KOEN
Maryukdo (말육도등대) in the middle, with the lights within 20 km, in their listed colours.
Maryukdo (말육도등대) — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s 42m 8M
- Height
- 42 m
- Nominal range
- 8 nmi = 15 km
- Type
- Landfall / major light
- Position
- 37.1164°N, 126.4535°E · West Sea coast

Lights nearby
- Dangjin Power No 2 (당진 화력 2호 등부표)One red flash every 4 seconds · 575 m
- Dangjin (당진 화력 1호 등부표)One green flash every 4 seconds · 948 m
- Dangjin (당진 화력 4호 등부표)One red flash every 4 seconds · 1.5 km
- Dangjin (당진 화력 3호 등부표)One green flash every 4 seconds · 1.6 km
- Yukdo Hang (육도항 북방파제 등대)2 red flashes every 6 seconds · 2.0 km
- Yukdo Hang (육도항 남방파제 등대)2 green flashes every 6 seconds · 2.0 km
- Dangjin (당진 화력 6호 등부표)One red flash every 4 seconds · 2.8 km
- Dangjin (당진 화력 5호 등부표)One green flash every 4 seconds · 2.9 km
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