| Wemyss, Eden Rd, Greystones | €495,000 | 2014-01-15 |
| Weston House, Church Of, Greystones | €376,000 | 2017-08-18 |
| Whincroft, New Rd, Greystones | €1,250,000 | 2023-07-14 |
| Whitelodge, Marine Rd, Greystones | €1,100,000 | 2016-06-03 |
| Whitshed Lodge, Whitshed Road, Greystones | €1,650,000 | 2023-12-11 |
| Willow Court, Blacklion, Greystones | €460,000 | 2020-12-15 |
| Windermere, Rathdown Road, Greystones | €610,000 | 2022-04-04 |
| Windgate, Lower Windgates, Greystones | €690,000 | 2015-01-20 |
| Windgate, Lr Windgates, Greystones | €738,500 | 2015-08-07 |
| Windlesham House, Church Rd, Greystones | €990,000 | 2014-12-12 |
| Winton House, 2 Trafalgar Road, Greystones | €650,000 | 2025-09-12 |
| Wood Berry, La Touche Rd, Greystones | €575,000 | 2018-11-30 |
| Woodbine Cottage, Lower Windgates, Greystones | €354,000 | 2023-10-25 |
| Yarra Yarra, The Harbour, Greystones | €625,000 | 2017-12-11 |