MMSI 366869830 · Call sign WDH3688
Not yet on Master's MateBlue Moon is a pleasure craft under the American flag, measuring 10.5 metres. Blue Moon has 4.1 metres in the beam and a 1 m draft. Officially she's MMSI 366869830, call sign WDH3688. Whether she's at the dock or out for the weekend, Blue Moon is covered by the free Master's Mate Safety Initiative Network — alarms, weather, and a watching fleet.
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 Blue Moon on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.