| Identifier: | MARBK |
| NAS ID: | MARBK |
| Name: | MARBK |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | CALIFORNIA |
| ICAO Region: | K2 |
| Latitude: | 41-46-17.020N (41.771400) |
| Longitude: | 122-28-13.270W (-122.470400) |
| Magnetic Variance: | 13.8 E as of 9/30/2025 |
| High ARTCC Area: | ZSE |
| Low ARTCC Area: | ZSE |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| IAP |