U.S. Official No. 1259443
Not yet on Master's MateO-SEA-D is a recreational vessel on the the United States registry, 9.7 metres LOA. Below, she has a 3.4-metre beam and a draft of 1.7 m. Officially she's U.S. official number 1259443. Bring O-SEA-D aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put O-SEA-D on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.