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
BIG SUM BEACH
U.S. Official No. 912980
Not yet on Master's Mate
Type
Recreational
Flag
USA
Length
20.1 m
Beam
5.8 m
Draft
3.2 m
First reported
Jun 2026
AIS reports
1
BIG SUM BEACH is a pleasure boat flagged in the United States, spanning 20.1 metres. She has a beam measuring 5.8 metres and a draft measuring 3.2 metres. Find her under U.S. official number 912980. Whether she's at the dock or out for the weekend, BIG SUM BEACH is covered by the free Master's Mate Safety Initiative Network — alarms, weather, and a watching fleet.
Free forever · No credit card · for recreational captains
Keep BIG SUM BEACH 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.