Seaside Sparrow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Cathy Gim | Charlestown Breachway | Charlestown | Washington | 04-Aug-2016 |
| Matt Schenck | Succotash Marsh | South Kingstown | Washington | 21-Jul-2016 |
| Don Heitzmann | Charlestown Breachway | Charlestown | Washington | 09-Jul-2016 |
| Wayne Munns | Sweet Spot | South Kingstown | Washington | 28-Jun-2016 |
| Barbara Sherman | Ninigret Pond NWR side of East Beach | Charlestown | Washington | 28-Jun-2016 |
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 19-Jun-2016 |
| Carlos Pedro | Charlestown Breachway | Charlestown | Washington | 04-Jun-2016 |
| Jan St.Jean | Charlestown Breachway | Charlestown | Washington | 02-Jun-2016 |