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.

Vessel

Cap San Lorenzo

MMSI 255805699

Not yet on Master's Mate

Flag

PRT

Length

333 m

IMO

9622227

AIS reports

Cap San Lorenzo is a Portuguese 333-metre vessel. On AIS she appears as MMSI 255805699, IMO 9622227. Cap San Lorenzo is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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Is Cap San Lorenzo your boat?

Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.

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Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Cap San Lorenzo roams, you're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

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The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Cap San Lorenzo 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.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

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.

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.

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim Cap San Lorenzo and switch it all on

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About Cap San Lorenzo

What kind of vessel is Cap San Lorenzo?

Cap San Lorenzo is a vessel flagged to Portugal.

What is Cap San Lorenzo's MMSI?

Cap San Lorenzo's MMSI is 255805699. IMO 9622227.

How big is Cap San Lorenzo?

Cap San Lorenzo is about 333 m long.

Is Cap San Lorenzo on the Master's Mate Safety Initiative Network?

Not yet. If Cap San Lorenzo is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).