MMSI 366894240 · Call sign WDB4057
Not yet on Master's MateOn the American registry, My Treat is a boat. She broadcasts as MMSI 366894240, call sign WDB4057. Join My Treat to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put My Treat on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.