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FAA O12 Seaplane base

Grand Lake St Marys Seaplane Base

St Marys · Ohio · United States

Location

Town
St Marys
Region
Ohio
Country
United States
Elevation
871 ft
Latitude
40.5410
Longitude
-84.4907

Observed traffic

Departures (30 d)
2
Arrivals (30 d)
4
All observed flights
6
Last seen
October 24, 2026

Facility

Type
Seaplane base
Scheduled service
No
Longest runway
7,000 ft
Also known as
—

Runways

RunwayLengthWidth SurfaceLightedHeadings
09 / 27 7,000 ft 4,000 ft WATER No —

Wikipedia Airport data from OurAirports (public domain).