U.S. Official No. 1353603
Not yet on Master's MateBALLAST FIN is an American 12.1-metre weekend cruiser. She has a beam measuring 3.5 metres and a draft measuring 1.8 metres. On the registers she's U.S. official number 1353603. It's free to add BALLAST FIN to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
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 BALLAST FIN on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.