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)

Serenity Blue

MMSI 368059110 · Call sign WDK4836

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

12.6 m

Beam

4.7 m

Draft

2.5 m

Call sign

WDK4836

Official No.

1168323

Hull ID

MPTSM080D203

AIS reports

Serenity Blue is an American 12.6-metre passenger boat. She carries 4.7 metres in the beam and a 2.5 m draft. Find her under MMSI 368059110, call sign WDK4836. Serenity Blue is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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

Keep every soul aboard Serenity Blue 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 Serenity Blue 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 Serenity Blue 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 Serenity Blue and switch it all on

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

Claim free → unlock everything

About Serenity Blue

What kind of vessel is Serenity Blue?

Serenity Blue is a Passenger (Inspected) flagged to United States of America.

What is Serenity Blue's MMSI?

Serenity Blue's MMSI is 368059110. Call sign WDK4836.

How big is Serenity Blue?

Serenity Blue is about 12.6 m long, 4.7 m on the beam, drawing 2.5 m.

Is Serenity Blue on the Master's Mate Safety Initiative Network?

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