| Site 9, Roughpark, Golf Links Road | €140,000 | 2017-03-14 |
| Site 91 Ard Ban, Muff | €185,000 | 2016-01-29 |
| Site B Rantymargey, Urrismanagh, Clonmany | €188,700 | 2021-08-09 |
| Site B, Rashenny, Ballyliffin | €140,850 | 2018-11-15 |
| Site No. 2, Church Road | €327,000 | 2025-01-03 |
| Site No. 3 Oak Grove, Roughpark, Letterkenny | €280,000 | 2015-07-28 |
| Sites 17 - 22 Beechwood Park, Convoy | €23,000 | 2012-11-20 |
| Sixty Acres, Ballindrait, Lifford | €235,000 | 2025-05-27 |
| Skehardgannon, Doneraile | €225,000 | 2013-02-22 |
| Skeoge Road, Burnfoot, Co. Donegal | €220,000 | 2026-03-31 |
| Skerry, Kilmacrennan, Letterkenny | €255,000 | 2018-07-31 |
| Skildren Cottage, Backlands, Malinhead | €245,000 | 2015-11-27 |
| Skreen Upper, Termon, Letterkenny | €227,000 | 2025-04-16 |
| Skreen, Donegal, F94p5v6 | €30,000 | 2020-01-28 |
| Sladran, Buncrana | €202,643 | 2018-04-30 |
| Sladran, Duncrana, Donegal | €260,000 | 2020-05-27 |
| Slate Row, Upper Carrick, Carrigart | €155,000 | 2025-03-11 |
| Slate Row, Upper Carrig, Carrigart | €250,000 | 2023-05-24 |
| Slatehill, Newtowncunningham, Donegal | €234,000 | 2018-01-12 |
| Slavery Road, Slavery, Buncrana | €87,500 | 2019-12-12 |
| Slavery, Buncrana | €61,674 | 2013-11-13 |
| Slavery, Buncrana, Co Donegal | €100,000 | 2023-12-12 |
| Sleadrin, Buncrana, Co Donegal | €82,500 | 2019-09-03 |
| Slevins, Donegal St, Ballybofey | €140,000 | 2025-10-29 |
| Sliabh Bracken Court, Gortlee, Letterkenny | €303,965 | 2019-09-27 |
| Slieve Bracken, Gortlee, Letterkenny | €77,500 | 2012-12-21 |
| Slieve League Ave, Carrick, Donegal | €90,000 | 2014-09-01 |
| Slieve Sin, Ballyconnell, Falcarragh | €25,000 | 2020-02-12 |
| Slievebawn, Malin Head | €90,000 | 2012-02-22 |
| Slievebawn, Malin Head, Donegal | €95,000 | 2022-06-14 |
| Slievebuck, Raphoe, Donegal | €50,000 | 2016-02-16 |
| So Ranna, Beagh, Ardara | €91,200 | 2020-01-31 |
| Sockar, Trentagh | €225,000 | 2012-03-30 |
| Sockar, Trentagh, Letterkenny | €375,000 | 2026-02-26 |
| Solas Tobann, Ballyhillion, Malin Head | €130,000 | 2019-02-07 |
| Soldiers Cottage, Milltown, Convoy | €120,000 | 2023-10-10 |
| Solegna House, Grahamsland, Castlefin | €292,000 | 2024-05-08 |
| Somerville House, Belalt, Castlefinn | €170,000 | 2017-11-20 |
| Sonamara, Fanaghan, Inver | €130,000 | 2019-06-21 |
| Sonas, Ballynally Lane, Moville | €152,000 | 2019-10-22 |
| Speenoge, Burt, Donegal | €55,350 | 2018-09-19 |
| Speenogue, Burt, Co Donegal | €277,500 | 2021-03-12 |
| Speenogue, Burt, Donegal | €22,500 | 2019-11-19 |
| Speirstown, Clare, Donegal Po | €75,000 | 2017-06-19 |
| Spierstown, Clar, Donegal Town | €110,000 | 2018-05-14 |
| Springfieid, Clare, Redcastle | €73,000 | 2025-12-01 |
| Springfield House, Ludden, Buncrana | €410,426 | 2023-07-20 |
| Springfield, Tamney, Letterkenny | €500,000 | 2022-04-29 |
| Springhill, Ballindrait, Lifford | €55,900 | 2024-09-17 |
| Springhouse, Oldtown, Culdaff | €111,000 | 2017-12-06 |
| Sraboy, Glencolmcille, Donegal | €180,000 | 2016-11-23 |
| Sruthan, Falcarragh, Letterkenny | €260,000 | 2025-10-28 |
| St Annes, Kilultan, St Johns Point | €540,000 | 2025-08-01 |
| St Annes, Muff, Lifford | €70,000 | 2023-02-22 |
| St Anns, Elaghbeg, Burnfoot | €90,000 | 2010-07-06 |
| St Anthomys, Ludden, Buncrana | €280,000 | 2026-07-07 |
| St Anthonys, Shiel Avenue, Bundoran | €375,000 | 2026-01-26 |
| St Bodens, Aught, Muff | €72,000 | 2014-04-09 |
| St Bridget's Crescent, Drumkeen, Letterkenny | €69,000 | 2011-03-21 |
| St Catherine's Road, Killybegs, Co Donegal | €60,000 | 2017-07-06 |
| St Catherines Rd, Killybegs, Donegal | €410,000 | 2022-06-03 |
| St Catherines Road, Killybegs | €122,000 | 2015-08-27 |
| St Columbas House, Tamney Fanad, Letterkenny | €55,000 | 2016-09-16 |
| St Columbas, Drimroe, Glencolmcille | €95,000 | 2017-10-09 |
| St Columbs Terrace, Moville, Co Donegal | €120,000 | 2015-01-08 |
| St Crona, Glencar Rd, Letterkenny | €120,000 | 2021-10-06 |
| St Dymphnas, Gortnacool, Carndonagh | €200,000 | 2025-08-27 |
| St Edmunds, Laghey, Donegal | €177,000 | 2022-12-20 |
| St Ernans, Donegal Town, Donegal | €405,000 | 2021-04-22 |
| St Ernans, Muchross, Donegal Town | €520,000 | 2017-04-27 |
| St Helens, Greencastle Rd, Moville | €150,000 | 2020-04-29 |
| St Johns Point, Dunkineely, Donegal | €324,000 | 2024-11-11 |
| St Johnston, Lifford Po | €16,000 | 2013-04-30 |
| St Judes Ballinass, Falcarragh, Main St | €175,000 | 2023-10-09 |
| St Judes Figary, Fahan, Lifford Po | €200,000 | 2023-07-26 |
| St Judes, Gulladuff, Moville | €253,000 | 2025-11-20 |
| St Judes, Station Road, Falcarragh | €65,000 | 2023-05-23 |
| St Kevins, Aileach Road, Buncrana | €200,000 | 2014-12-02 |
| St Kevins, Rock Rd, Ballyshannon | €200,000 | 2024-08-23 |
| St Kevins, Sea Rd, Bundoran | €80,000 | 2020-07-24 |
| St Louise, Ballynarry Lane, Moville | €100,000 | 2016-09-14 |
| St Marthas Villa Ardfarn, Bundoran, Donegal | €128,000 | 2021-03-31 |
| St Marys Rd, Buncrana, Donegal | €650,000 | 2025-03-24 |
| St Marys Road, Buncrana | €360,000 | 2011-11-18 |
| St Marys, Slievebawn, Malin Head | €32,500 | 2017-12-06 |
| St Michael's, Gweedore Road, Dungloe | €20,000 | 2014-02-06 |
| St Michaels, Carriag Cnoc, Shrove Greencastle | €842,400 | 2022-06-10 |
| St Oran's Road, Buncrana, Co Donegal | €91,000 | 2019-03-11 |
| St Patricks Rd, Buncrana, Donegal | €155,000 | 2021-09-09 |
| St Therese, The Grange, Inch Island | €300,000 | 2021-05-14 |
| St. Catherine's Road, Killybegs | €150,000 | 2013-10-16 |
| St. Catherines Road, Killybegs, Co. Donegal | €60,000 | 2019-01-07 |
| St. Catherines Row, Killybegs, County Donegal | €38,000 | 2016-07-20 |
| St. Ernan's, Muckross, Donegal Town | €825,000 | 2026-08-14 |
| St. Helens, Townparks, Lifford | €57,000 | 2012-02-02 |
| St. Martin's, Cashel, Gelncolmcille | €55,000 | 2024-01-31 |
| St. Mary's Road, Buncrana | €315,000 | 2015-07-31 |
| St. Oran's Road, Buncrana | €195,000 | 2010-07-15 |
| Stackarnagh, Kilmacrennan | €151,541 | 2014-12-12 |
| Stackernagh, Churchill, Donegal | €265,000 | 2021-04-30 |
| Stackernagh, Churchill, Letterkenny | €495,000 | 2022-12-15 |
| Stackernaugh, Churchill, Letterkenny | €255,000 | 2026-04-02 |
| Staisiun An Chuirt, Station Road, Falcarragh | €1,221,228 | 2021-10-05 |
| Standalone, Eleven Ballyboes, Greencastle | €170,000 | 2019-11-18 |
| Stargar, Killybegs, Donegal | €150,000 | 2021-08-04 |
| Starritstown, Convoy | €90,000 | 2014-07-11 |
| Station House, Ardeelan Lower, Rossnowlagh | €191,000 | 2016-05-20 |
| Station House, Crolly, Letterkenny | €22,000 | 2022-01-25 |
| Station House, Station Rd, Carrigans | €70,000 | 2021-11-29 |
| Station House, Station Road, Mountcharles | €150,000 | 2018-12-21 |
| Station Rd, Ballyshannon, Donegal | €65,000 | 2022-07-05 |
| Station Rd, Bruckless, Donegal | €96,500 | 2017-01-26 |
| Station Rd, Carrigans, Lifford | €90,000 | 2018-12-06 |
| Station Rd, Falcarragh, Donegal | €115,000 | 2023-02-17 |
| Station Rd, Falcarragh, Letterkenny | €170,000 | 2026-01-15 |
| Station Rd, Glenties, Donegal | €165,000 | 2021-10-12 |
| Station Rd, Mountcharles, Donegal | €125,000 | 2015-07-06 |
| Station Road, Falcarragh | €110,000 | 2013-07-16 |
| Station Road, Falcarragh, Co Donegal | €125,000 | 2025-10-17 |
| Station Road, Glenties | €97,500 | 2019-10-24 |
| Station Road, Glenties, County Donegal | €95,000 | 2022-09-29 |
| Station Road, Mountcharles | €200,000 | 2015-05-07 |
| Station Road, Mountcharles, Co Donegal | €131,900 | 2014-09-15 |
| Station Road, Pettigo | €84,928 | 2011-07-27 |
| Station St, Pettigo, Donegal | €75,000 | 2026-07-29 |
| Stella Maris, Carnagarve, Moville | €135,000 | 2010-11-11 |
| Stella Maris, Main St, Rathmullen | €163,000 | 2023-09-15 |
| Stone Cottage Cashelgolan, Clooney, Portnoo | €65,500 | 2021-03-11 |
| Stone Park, Mountcharles, Co Donegal | €141,000 | 2016-01-29 |
| Stonehill House, Lough Doon Road, Near Port Noo | €135,000 | 2025-07-11 |
| Stonepark, Mountcharles | €44,053 | 2021-11-09 |
| Stonewald, Marble Hill, Dunfanaghy | €350,000 | 2021-09-16 |
| Stoney Creek Cottage, Cloontagh, Clonmany | €35,000 | 2024-08-23 |
| Stoneybatter, Old Fintra Road, Killybegs | €72,500 | 2022-08-19 |
| Stonies, Muff, Culdaff | €45,000 | 2019-03-04 |
| Stormhill, Main Street, Dunkineely | €180,000 | 2025-08-28 |
| Straback, Inch Island, Co. Donegal | €30,000 | 2018-03-14 |
| Straboe, Aughill, Buncranna | €137,000 | 2017-05-24 |
| Straboe, Buncrana | €141,600 | 2021-10-21 |
| Straboe, Buncrana, Donegal | €285,383 | 2021-07-09 |
| Straboy, Glencolmcille, County Donegal | €33,000 | 2021-05-07 |
| Straboy, Glenties | €78,000 | 2017-04-10 |
| Straboy, Glenties, Co Donegal | €168,000 | 2023-01-23 |
| Straboy, Glenties, Donegal | €188,500 | 2024-10-15 |
| Strabrinna, Kilcar, Donegal | €315,000 | 2026-08-18 |
| Strackeenagh, Derrybeg, Donegal | €62,500 | 2019-05-01 |
| Stracomer Hill, Bundoran | €400,000 | 2015-01-14 |
| Stracomer View House, Bundoran, County Donegal | €180,000 | 2016-01-14 |
| Stragaddy, Termon | €47,500 | 2013-02-19 |
| Stragally, Cloghan | €35,000 | 2018-12-06 |
| Stragar North, Killybegs, Donegal | €60,000 | 2021-05-04 |
| Stragar, Killybegs, Donegal | €87,500 | 2024-12-04 |
| Stragill, Buncrana, Co Donegal | €365,000 | 2019-12-20 |
| Straid, Clonmany | €115,000 | 2013-10-24 |
| Straid, Clonmany, Donegal | €100,000 | 2026-07-03 |
| Straleel North, Carrick, Donegal | €80,000 | 2022-06-15 |
| Straleel Rd, Carrick, Donegal | €60,000 | 2015-11-13 |
| Straleel South, Carrick, Donegal | €155,000 | 2020-02-26 |
| Straleel, Carrick, Co Donegal | €80,000 | 2025-08-18 |
| Straleel, Carrick, Donegal | €54,870 | 2026-01-27 |
| Stralinchy, Glenties, Donegal | €85,000 | 2022-05-10 |
| Stralongford, Drumkeen | €224,670 | 2018-12-17 |
| Stralongford, Drumkeen, Donegal | €265,000 | 2022-01-28 |
| Stralongford, Drumkeen, Lifford | €240,000 | 2016-12-14 |
| Stralongford, Drumkeen, Lifford Po | €295,000 | 2017-08-01 |
| Stramartin, Derrybeg, Co Donegal | €52,500 | 2026-07-20 |
| Stramartin, Derrybeg, Letterkenny | €56,000 | 2020-09-15 |
| Stramore, Churchill, Letterkenny | €100,000 | 2026-07-16 |
| Stranabrooey, Derrybeg, Co Donegal | €35,000 | 2023-09-26 |
| Stranacorca, Sheaskin Beg Road, Derrybeg | €127,500 | 2018-12-07 |
| Stranacorcra, Co. Donegal | €130,000 | 2020-11-03 |
| Stranacorcra, Derrybeg, County Donegal | €21,639 | 2025-09-17 |
| Stranacorkra, Derrybeg, Co. Donegal | €245,000 | 2025-12-05 |
| Stranacorkra, Derrybeg, Donegal | €200,000 | 2024-08-02 |
| Stranaglogh, Glenties, Co Donegal | €80,000 | 2018-02-15 |
| Stranaglogh, Glenties, Donegal | €180,000 | 2025-06-18 |
| Stranaglough, Glenties, Co Donegal | €100,000 | 2023-05-10 |
| Stranaglough, Glenties, Donegal | €45,725 | 2021-11-04 |
| Stranakivilin House, Station Rd, Glenties | €540,000 | 2023-05-15 |
| Stranalough, Glenties, Donegal | €185,000 | 2020-07-03 |
| Stranamuck, Castleefin, Lifford | €160,000 | 2024-12-02 |
| Strancorka, Derrybeg | €100,000 | 2013-02-01 |
| Strancorkra, Derrybeg, Letterkenny | €125,000 | 2021-11-04 |
| Strand Rd, Carrigart, Letterkenny | €192,000 | 2021-11-19 |
| Strand Rd, Magheraclogher, Bunbeg Post Office | €175,000 | 2015-11-12 |
| Strand Rd, Narin, Portnoo | €340,000 | 2018-03-20 |
| Strand Road, Carrigart, Co. Donegal | €52,000 | 2023-08-25 |
| Strand Road, Derrybeg, Gweedore | €132,000 | 2022-06-24 |
| Strand Road, Keadue, Co Donegal | €88,000 | 2025-04-07 |
| Strand Road, Maghergallon, Bunbeg | €260,000 | 2026-04-30 |
| Strand Road, Middletown, Co Donegal | €145,000 | 2024-09-05 |
| Strand Road, Portnoo, Co Donegal | €295,000 | 2022-11-25 |
| Strand View, Carrowtrasna Rd, Carrowtrasna | €427,500 | 2025-09-12 |
| Strand View, Narin, Portnoo | €170,000 | 2015-12-22 |
| Strandhead, Drumaville, Malin | €157,000 | 2021-09-30 |
| Strandsend, Malinbeg, Glencolmkille | €185,000 | 2023-07-07 |
| Straness, Donegal Po, Co Donegal | €165,000 | 2021-02-26 |
| Strangriff House, Main Street, Stranorlar | €260,000 | 2026-07-02 |
| Stranorlar House, Letterkenny Road, Co Donegal | €495,000 | 2022-01-10 |
| Straoughter, Glenties, Co Donegal | €82,500 | 2025-04-16 |