Open mapO12 Grand Lake St Marys Seaplane Base
St Marys, Ohio, United States
Not for navigation. Data: OurAirports (public domain); FAA NASR (US Government public domain), updated Nov 8, 2026.
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Airport facts
- Ident
- O12
- Type
- Seaplane base
- Public use
- Yes
- Municipality
- St Marys
- Region
- Ohio
- Country
- United States
- Elevation
- 871 ft (265 m)
- Coordinates
- 40.5410° N 84.4907° W
40°32′28″N 84°29′27″W - Towered
- No
- Wikipedia
- Grand Lake St Marys Seaplane Base
- Chart Supplement
- Chart Supplement (opens in a new tab)2611 O12
Runways
| Runway | Length × width | Surface | Lighted | Status |
|---|---|---|---|---|
| 09/27 | 7,000 × 4,000 ft | Water | No | Open |
Frequencies
| Type | Name | MHz |
|---|---|---|
| CTAF | 122.900 |