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)

MARCO ISLAND PRINCESS II

MMSI 366978040 · Call sign WDB9537

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

22.4 m

Beam

6.1 m

Draft

1.7 m

Call sign

WDB9537

Official No.

1146233

AIS reports

MARCO ISLAND PRINCESS II, a passenger vessel registered in the United States, measures 22.4 metres on deck. She's built with a 6.1 m beam and a 1.7 m draft. Her papers read MMSI 366978040, call sign WDB9537. Bring MARCO ISLAND PRINCESS II aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

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

Keep every soul aboard MARCO ISLAND PRINCESS II 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 MARCO ISLAND PRINCESS 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 passenger & charter operators

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

Joining the Safety Initiative Network doesn't just put MARCO ISLAND PRINCESS II 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 MARCO ISLAND PRINCESS II and switch it all on

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Claim free → unlock everything

About MARCO ISLAND PRINCESS II

What kind of vessel is MARCO ISLAND PRINCESS II?

MARCO ISLAND PRINCESS II is a Passenger (Inspected) flagged to United States of America.

What is MARCO ISLAND PRINCESS II's MMSI?

MARCO ISLAND PRINCESS II's MMSI is 366978040. Call sign WDB9537.

How big is MARCO ISLAND PRINCESS II?

MARCO ISLAND PRINCESS II is about 22.4 m long, 6.1 m on the beam, drawing 1.7 m.

Is MARCO ISLAND PRINCESS II on the Master's Mate Safety Initiative Network?

Not yet. If MARCO ISLAND PRINCESS II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).