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.
Offshore Supply Vessel
Secret Island
MMSI 367405790 · Call sign WDE8463
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
35.8 m
Beam
8.5 m
Draft
3.4 m
Call sign
WDE8463
IMO
8852368
Official No.
969494
AIS reports
1
Secret Island, a working vessel on the the United States registry, measures 35.8 metres on deck. Below, she has 8.5 metres in the beam and a draft measuring 3.4 metres. Her papers read MMSI 367405790, call sign WDE8463, IMO 8852368. Secret Island can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for working boats
Built for boats that work — like Secret Island.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Secret Island 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Secret Island on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 Secret Island and switch it all on
Free to join · nothing to install to start · cancel anytime
About Secret Island
What kind of vessel is Secret Island?
Secret Island is a Offshore Supply Vessel flagged to United States of America.
What is Secret Island's MMSI?
Secret Island's MMSI is 367405790. Call sign WDE8463. IMO 8852368.
How big is Secret Island?
Secret Island is about 35.8 m long, 8.5 m on the beam, drawing 3.4 m.
Is Secret Island on the Master's Mate Safety Initiative Network?
Not yet. If Secret Island is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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