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.

Passenger (Inspected)

SEA-DWELLER

MMSI 368184960 · Call sign WDM2084

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

12.2 m

Beam

3.8 m

Draft

1.7 m

Call sign

WDM2084

Official No.

1217572

AIS reports

SEA-DWELLER is a passenger ferry hailing from the United States, 12.2 metres long. Below, she has 3.8 metres in the beam and a draft of 1.7 m. Officially she's MMSI 368184960, call sign WDM2084. Join SEA-DWELLER to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard SEA-DWELLER safe.

Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.

Switch on the safety stack — free →

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

Wherever SEA-DWELLER 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 passenger & charter operators

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

Joining the Safety Initiative Network doesn't just put SEA-DWELLER on the map. It hands you the full bridge:

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.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

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.

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 SEA-DWELLER and switch it all on

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About SEA-DWELLER

What kind of vessel is SEA-DWELLER?

SEA-DWELLER is a Passenger (Inspected) flagged to United States of America.

What is SEA-DWELLER's MMSI?

SEA-DWELLER's MMSI is 368184960. Call sign WDM2084.

How big is SEA-DWELLER?

SEA-DWELLER is about 12.2 m long, 3.8 m on the beam, drawing 1.7 m.

Is SEA-DWELLER on the Master's Mate Safety Initiative Network?

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