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.
Tanker
KEY MARIN
MMSI 236342000 · Call sign ZDHP4
Not yet on Master's MateType
Tanker
Flag
GIBLength
88 m
Beam
13 m
Draft
4 m
Call sign
ZDHP4
IMO
9297228
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
20
Out of Gibraltar, KEY MARIN is an 88-metre tanker. She carries a 13 m beam and a 4-metre draft. Her papers read MMSI 236342000, call sign ZDHP4, IMO 9297228. Add KEY MARIN to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on KEY MARIN, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever KEY MARIN 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put KEY MARIN on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 KEY MARIN and switch it all on
Free to join · nothing to install to start · cancel anytime
About KEY MARIN
What kind of vessel is KEY MARIN?
KEY MARIN is a Tanker flagged to Gibraltar.
What is KEY MARIN's MMSI?
KEY MARIN's MMSI is 236342000. Call sign ZDHP4. IMO 9297228.
How big is KEY MARIN?
KEY MARIN is about 88 m long, 13 m on the beam, drawing 4 m.
Is KEY MARIN on the Master's Mate Safety Initiative Network?
Not yet. If KEY MARIN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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