Commodore Center Seaplane Base
Daylight today(Sep 2, 2026, local time)
About 12h 58m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Commodore Center Seaplane Base
Commodore Center Seaplane Base is a seaplane base in Mill Valley, United States. It has 1 runway, the longest 10,000 ft / 3,048 m. It observes America/Los Angeles local time. The nearest airport is San Rafael Airport (CA35), about 8.3 nm to the n.
Summary generated from this airport’s structured data — reference only.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 11 / 29 | 10,000 ft / 3,048 m | 2400 ft | Water | Unlit | Open |
Airspace in this area(2)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| SAN FRANCISCO CLASS B AREA I | Class B | Controlled | 4000 ft MSL | 10000 ft MSL |
| SAN FRANCISCO CLASS B AREA J | Class B | Controlled | 5000 ft MSL | 10000 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Salesforce Tower | 1,070 ft | 79 ft | — |
| KALW-FM (San Francisco) | 974 ft | 860 ft | — |
| 181 Fremont Tower | 801 ft | 69 ft | — |
| California Center | 696 ft | 95 ft | — |
| Millennium Tower | 646 ft | 49 ft | — |
| One Rincon Hill South Tower | 640 ft | 118 ft | — |
| The Avery | 617 ft | 72 ft | — |
| Park Tower at Transbay | 600 ft | 49 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Commodore Center Seaplane Base.
Frequently asked questions
Where is Commodore Center Seaplane Base located?
Commodore Center Seaplane Base is seaplane base located in Mill Valley, United States.
How many runways does Commodore Center Seaplane Base have?
Commodore Center Seaplane Base has 1 runway, the longest being 10,000 ft / 3,048 m.
What time zone is Commodore Center Seaplane Base in?
Commodore Center Seaplane Base is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at Commodore Center Seaplane Base?
The magnetic variation (declination) at Commodore Center Seaplane Base is approximately 12.9° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Commodore Center Seaplane Base?
The nearest airport to Commodore Center Seaplane Base is San Rafael Airport (CA35), about 8.3 nm to the n, followed by Marin County Airport - Gnoss Field and San Francisco Bay Oakland International Airport.
Is the information on this page suitable for flight planning?
No. Commodore Center Seaplane Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.