Seaside Sparrow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Jess Bishop | Charlestown Breachway | Charlestown | Washington | 03-Aug-2024 |
| Dominick Pacelli | Mudflats | Charlestown | Washington | 22-May-2024 |
| Sue Palmer | Ninigret Mudflats | Charlestown | Washington | 22-May-2024 |
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 09-May-2024 |