| Friday Harbor Seaplane Base | |
| Iata: | FBS |
| Faa: | W33 |
| Type: | Public |
| Owner: | Port of Friday Harbor |
| City-Served: | Friday Harbor, Washington |
| Pushpin Map: | USA Washington#USA |
| Pushpin Relief: | yes |
| Pushpin Label: | FBS |
| Elevation-F: | 0 |
| Elevation-M: | 0 |
| Coordinates: | 48.5372°N -123.0097°W |
| R1-Number: | 3/21 |
| R1-Length-F: | 10,000 |
| R1-Length-M: | 3,048 |
| R1-Surface: | Water |
| R2-Number: | 12/30 |
| R2-Length-F: | 6,000 |
| R2-Length-M: | 1,829 |
| R2-Surface: | Water |
| Stat-Year: | 2009 |
| Stat1-Header: | Aircraft operations |
| Stat1-Data: | 8,600 |
| Footnotes: | Source: Federal Aviation Administration[1] |
Friday Harbor Seaplane Base is a public use seaplane base located adjacent to Friday Harbor, on San Juan Island in San Juan County, Washington, United States. It is owned by the Port of Friday Harbor.
Friday Harbor Seaplane Base has two seaplane landing areas: 3/21 is 10,000 by 2,000 feet (3,048 x 610 m) and 12/30 is 6,000 by 1,000 feet (1,829 x 305 m).
For the 12-month period ending May 31, 2009, the airport had 8,600 aircraft operations, an average of 23 per day: 53.5% were air taxi flights and 46.5% general aviation.