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.
Vessel
SIMMER DOWN
last seen 27°N 80°W · Jun 2026 · MMSI 338054394
Not yet on Master's MateFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
SIMMER DOWN is a vessel. Look for MMSI 338054394. Give SIMMER DOWN the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card
Is SIMMER DOWN your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 13:34 UTC
Position
26.9891° N, 80.0910° W
Status
Under way (engine)
Speed
7.6 kn
Course
359°
Wherever SIMMER DOWN 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SIMMER DOWN on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SIMMER DOWN and switch it all on
Free to join · nothing to install to start · cancel anytime
About SIMMER DOWN
What kind of vessel is SIMMER DOWN?
SIMMER DOWN is a vessel.
Where was SIMMER DOWN last seen?
SIMMER DOWN was last reported in around 27°N 80°W in Jun 2026 on public AIS.
What is SIMMER DOWN's MMSI?
SIMMER DOWN's MMSI is 338054394.
Is SIMMER DOWN on the Master's Mate Safety Initiative Network?
Not yet. If SIMMER DOWN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.