U.S. Official No. 1240285
Not yet on Master's MateAn American ferry, WAHINE KOA measures 10.8 metres. She's built with 3.6 metres in the beam and a 1.6-metre draft. She's listed under U.S. official number 1240285. It's free to add WAHINE KOA to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put WAHINE KOA on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.