U.S. Official No. 1164871
Not yet on Master's MateSERENITY flies the American flag — an 11.8-metre private cruiser. Her hull carries a beam of 3.7 m and a draft measuring 2.1 metres. On the registers she's U.S. official number 1164871. There's a place for SERENITY on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put SERENITY on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.