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.
Sailing
SEA LIFE
MMSI 503524400
Not yet on Master's MateType
Sailing
Flag
AUSLength
12 m
Beam
4 m
First reported
Apr 2026
Last reported
Apr 2026
AIS reports
85
SEA LIFE is an ocean-going sailboat hailing from Ashmore and Cartier Islands, spanning 12 metres. Her hull carries 4 metres in the beam. Officially she's MMSI 503524400. SEA LIFE can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for cruisers
Sleep easy on the hook aboard SEA LIFE.
GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.
Set her anchor watch — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Apr 15, 2026
Position
18.0368° N, 63.0974° W
Sailing the Caribbean? 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 cruisers
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SEA LIFE on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Claim SEA LIFE and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEA LIFE
What kind of vessel is SEA LIFE?
SEA LIFE is a Sailing flagged to Ashmore and Cartier Islands.
Where was SEA LIFE last seen?
SEA LIFE was last reported in the Caribbean in Apr 2026 on public AIS.
What is SEA LIFE's MMSI?
SEA LIFE's MMSI is 503524400.
How big is SEA LIFE?
SEA LIFE is about 12 m long, 4 m on the beam.
Is SEA LIFE on the Master's Mate Safety Initiative Network?
Not yet. If SEA LIFE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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