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.
Recreational
RIO DIOSA
U.S. Official No. 574487
Not yet on Master's Mate
Type
Recreational
Flag
USA
Length
10.5 m
Beam
3.4 m
Draft
1.6 m
First reported
Jun 2026
AIS reports
1
RIO DIOSA is an American weekend cruiser — 10.5 metres overall. She has 3.4 metres in the beam and a draft of 1.6 m. Her papers read U.S. official number 574487. RIO DIOSA is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for recreational captains
Keep RIO DIOSA looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.