Seaside Sparrow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Kellen Rosburg | Ninigret Pond | Charlestown | Washington | 31-Aug-2013 |
| DAVID WALLIS | 3rd Beach | Middletown | Newport | 12-Aug-2013 |
| Janaehesser | Charlestown Breachway | Charlestown | Washington | 29-Jul-2013 |
| Phil Budlong | Ninigret Pond tidal flats | Charlestown | Washington | 06-Jul-2013 |
| John Magill | Charlestown Breachway | Charlestown | Washington | 02-Jun-2013 |
| Wayne Munns | Charlestown mud flats | Charlestown | Washington | 31-May-2013 |
| Cathy Gim | Breachway | Charlestown | Washington | 07-May-2013 |
| Jan St.Jean | Charlestown breachway | Charlestown | Washington | 07-May-2013 |
| Carlos Pedro | Charlestown Breachway | Charlestown | Washington | 02-May-2013 |
| Kevin Rogers | Charlestown Breachway | Charlestown | Washington | 29-Apr-2013 |
| Barbara Sherman | Charlestown Breachway | Charlestown | Washington | 27-Apr-2013 |
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 26-Apr-2013 |