69WT in 20 seconds
Quartermaster Harbor Seaplane Base serves Vashon, US.
AirportRoutes · updated Mar 5, 2026
Traveler reviews & tips
From people who've recently flown through Vashon.
Rate this airport:
No tips for 69WT yet — be the first to help fellow travelers.
Share your tip or review
Help fellow travelers at Quartermaster Harbor Seaplane Base. Tips are reviewed before publishing.
Common questions about 69WT
Quick answers, straight from the schedule data.
Where is Quartermaster Harbor Seaplane Base located?
Quartermaster Harbor Seaplane Base is located in Vashon, US. Its IATA code is — and ICAO code is 69WT.