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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.
Towing Vessel

ISLE II

U.S. Official No. 553887

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
11.7 m
Beam
3.9 m
Draft
1.8 m
First reported
Jun 2026
AIS reports
1

ISLE II is a harbour workboat on the the United States registry, 11.7 metres long. Her hull carries a 3.9-metre beam and a draft of 1.8 m. Her papers read U.S. official number 553887. Put ISLE II on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.

Free forever · No credit card · for working boats

Built for boats that work — like ISLE II.

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 ISLE II 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 ISLE II 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 ISLE II and switch it all on
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Claim free → unlock everything

About ISLE II

What kind of vessel is ISLE II?
ISLE II is a Towing Vessel flagged to United States of America.
What is ISLE II's U.S. Official No.?
ISLE II's U.S. Official No. is 553887.
How big is ISLE II?
ISLE II is about 11.7 m long, 3.9 m on the beam, drawing 1.8 m.
Is ISLE II on the Master's Mate Safety Initiative Network?
Not yet. If ISLE II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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