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.
Tug
SAN MARCOS
MMSI 367549670 · Call sign WDG5730
Not yet on Master's MateType
Tug
Flag
USALength
86 m
Beam
11 m
Draft
2.5 m
Call sign
WDG5730
Official No.
1242397
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
Out of the United States, SAN MARCOS is an 86-metre tugboat. She's built with a beam of 11 m and a 2.5 m draft. She broadcasts as MMSI 367549670, call sign WDG5730. Working vessels like SAN MARCOS are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like SAN MARCOS.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 19:17 UTC
Position
29.9682° N, 93.8594° W
Status
Pushing ahead
Speed
0.0 kn
Course
256°
Destination
US^0SN8>0QFW
Working the Gulf of Mexico? 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SAN MARCOS on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 SAN MARCOS and switch it all on
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About SAN MARCOS
What kind of vessel is SAN MARCOS?
SAN MARCOS is a Tug flagged to United States of America.
Where was SAN MARCOS last seen?
SAN MARCOS was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is SAN MARCOS's MMSI?
SAN MARCOS's MMSI is 367549670. Call sign WDG5730.
How big is SAN MARCOS?
SAN MARCOS is about 86 m long, 11 m on the beam, drawing 2.5 m.
Is SAN MARCOS on the Master's Mate Safety Initiative Network?
Not yet. If SAN MARCOS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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