MMSI 376824000 · Call sign J8Y3455
Not yet on Master's MateOut of St Vincent, LIONHEART is a 17-metre private cruiser. Her hull carries a 6 m beam. On AIS she shows as MMSI 376824000, call sign J8Y3455. LIONHEART is exactly the kind of boat the Master's Mate Safety Initiative Network was built for — free, simple, and always on watch.
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 LIONHEART on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.