Cape May Warbler has been seen by:
| Birder | Location | Town | Date |
|---|---|---|---|
| Greg Sargeant | Block Island NWR | New Shoreham | 20-Sep-2009 |
| Jan St.Jean | Block Island | 19-Sep-2009 | |
| Tom Magarian | Block Island | 05-Sep-2009 | |
| Phil Budlong | Corn Neck Road | New Shoreham | 19-May-2009 |
| Carlos Pedro | North End | Block Island | 19-May-2009 |