Least Sandpiper has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Dianne Auld | Napatree Point | Westerly | Washington | 28-Aug-2021 |
| David Gregg | Andy's Way | New Shoreham | Washington | 23-Aug-2021 |
| Jen Leitao | Quonnie Breachway | Charlestown | Washington | 14-Jul-2021 |
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 28-May-2021 |
| John Bean | Succotash Marsh | South Kingstown | Washington | 14-May-2021 |
| Barbara Sherman | Succotash Marsh | South Kingstown | Washington | 11-May-2021 |
| Don Heitzmann | Succotash Marsh | South Kingstown | Washington | 11-May-2021 |
| Wayne Munns | Jamestown Spring Bird Count - Farms | Jamestown | Newport | 08-May-2021 |
| Carlos Pedro | Succotash | South Kingstown | Washington | 07-May-2021 |
| Sue Palmer | Succotash Marsh | South Kingstown | Washington | 29-Apr-2021 |
| Dick & Marge Bradley | Succotash marsh | South Kingstown | Washington | 29-Apr-2021 |
| Jan St.Jean | Succotash | South Kingstown | Washington | 28-Apr-2021 |
| John Magill | Succotash Marsh | South Kingstown | Washington | 27-Apr-2021 |
| Jess Bishop | Succotash | South Kingstown | Washington | 25-Apr-2021 |