SEA LION — Pleasure Craft · MMSI 367470340

SEA LION is currently moored in the Sea of Japan, within the Japan / Korea shipping lane. It is sailing from AMAGASAKINISHINOMIYA to SAKAI with an ETA of 26 Oct 2026, 00:55 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

SEA LION broadcasts MMSI 367470340, with call sign WDK4857. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.

SEA LION is classified as a pleasure craft vessel registered under the US flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full pleasure craft fleet at /vessel-type/yacht and full US flag list at /flag/us.

MarineRadar shows the latest AIS broadcast from SEA LION above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.

AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.

As a pleasure craft, SEA LION sits in the same design class as the other pleasure crafts listed in the Similar Vessels section of the vessel page, or in the full pleasure craft directory at /vessel-type/yacht.