MMSI 368454040 · Call sign WDQ7573
Not yet on Master's MateSun Seeker is an American craft. On the registers she's MMSI 368454040, call sign WDQ7573. Bring Sun Seeker aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
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 Sun Seeker on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.