Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Passenger Barge (Inspected)
LADY MARION
U.S. Official No. 516604
Not yet on Master's MateType
Passenger Barge (Inspected)
Flag
USALength
18.3 m
Beam
6.1 m
Draft
1.3 m
First reported
Jun 2026
AIS reports
1
LADY MARION is a passenger ship on the the United States registry, 18.3 metres on deck. She has a 6.1 m beam and a draft measuring 1.3 metres. On the registers she's U.S. official number 516604. Join LADY MARION to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard LADY MARION safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever LADY MARION roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put LADY MARION on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim LADY MARION and switch it all on
Free to join · nothing to install to start · cancel anytime
About LADY MARION
What kind of vessel is LADY MARION?
LADY MARION is a Passenger Barge (Inspected) flagged to United States of America.
What is LADY MARION's U.S. Official No.?
LADY MARION's U.S. Official No. is 516604.
How big is LADY MARION?
LADY MARION is about 18.3 m long, 6.1 m on the beam, drawing 1.3 m.
Is LADY MARION on the Master's Mate Safety Initiative Network?
Not yet. If LADY MARION is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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