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)

Mareo Island Princess

MMSI 366875390 · Call sign WDB2389

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

21.3 m

Beam

5.5 m

Draft

1.6 m

Call sign

WDB2389

Official No.

1126648

AIS reports

Mareo Island Princess is a passenger boat hailing from the United States, measuring 21.3 metres. Mareo Island Princess has a 5.5-metre beam and a 1.6 m draft. On AIS she shows as MMSI 366875390, call sign WDB2389. Claim Mareo Island Princess free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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

Keep every soul aboard Mareo Island Princess 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 Mareo Island Princess 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 Mareo Island Princess 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 Mareo Island Princess and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About Mareo Island Princess

What kind of vessel is Mareo Island Princess?

Mareo Island Princess is a Passenger (Inspected) flagged to United States of America.

What is Mareo Island Princess's MMSI?

Mareo Island Princess's MMSI is 366875390. Call sign WDB2389.

How big is Mareo Island Princess?

Mareo Island Princess is about 21.3 m long, 5.5 m on the beam, drawing 1.6 m.

Is Mareo Island Princess on the Master's Mate Safety Initiative Network?

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