Regions of Ireland
- Screen
- Skibbereen
- Skerries Islands
- Skerries
- Skenakilla Cross Roads
- Skellig Islands
- Skehanagh
- Lough Skean
- Skeagh Lough Upper
- Skeagh
- Skeaf House
- Lough Skannive
- Sixmilebridge
- Single Street
- Silver Stream
- Silver River
- Silver River
- Silvermines
- Silvermine Mountain
- Silver Hill
- Lough Sillan
- Siddan
- Shrule Castle
- Shrule
- Shronell
- Shrone
- Shot Head
- Shiven River
- Shiven River
- Shippool
- Shinrone
- Lough Shindilla
- Shillelagh
- Sheskin Lodge
- Sheshia
- Sherky Island
- Sherkin Island
- Sheriffhill
- Shercock
- Shenicks Island
- Shelton Abbey
- Shehy Mountain
- Sheffield
- Sheep Haven
- Sheen River
- Lough Sheelin
- Sheehills House
- Sheeanamore
- Shark Head
- Shanvally
- Shantonagh
- Shanow River
- Shannon View
- Shannon Harbour
- Shannon Hall
- Shannongrove House
- Shannon Grove
- Shannonbridge
- River Shannon
- Mouth of the Shannon
- Shannaghmore
- Shanlis Cross Roads
- Shanlaragh
- Shankill Castle
- Shankill
- Shanid Castle
- Shanganagh Junction
- Shanganagh Castle
- Shanballymore
- Shanbally House
- Shanbally Castle
- Shanbally
- Shanagolden
- Shanagh
- Shanagarry
- Shallee River
- Shaen House
- Shad Lough
- The Seven Stars
- The Seven Hogs
- Seven Heads Bay
- Seven Heads
- Seven Fathom Bank
- Sevenchurches
- The Seven Arches
- Seskinryan
- Seskinrea
- Seltannaveeny
- Sellerna Bay
- Seershin
- Seaweed Point
- Seaview House
- Seapark Point
- Sea Mount
- Seal Rocks
- Seafield House
- Scurmore House
- Lough Scur
- Scullogue Gap
- Scullane Point
- Scregg West
- Scregg House
- Scregg East
- Screeb Lodge
- Scramore Loughs
- Scramoge
- Scrahan
- Scrabby
- Scotstown
- Scotshouse
- Scilly
- Scattery Island
- Scartaglin
- Scarriff Bay
- River Scarriff
- Scarriff
- Scariff Island
- Scardaun
- Lough Scannive
- Scalp Mountain
- The Scalp
- Scalp
- Scalp
- Saundersville
- Saunders Court
- Sarsfieldscourt House
- Sarnaght
- Sarahville
- Santry
- Sandymount
- Sandymount
- Sandy Ford
- Sandy Cove
- Sandeel Bay
- Samphire Island
- Saltmills
- Salt Hill
- Salt Hill
- Salterstown
- Saltee Islands
- Little Saltee
- Great Saltee
- Lough Salt
- Salrock
- Sallymount House
- Sally Gap
- Sallybrook Station
- Sallybrook
- Sallins
- Salisbury Lodge
- Salia
- Saleen Harbour
- Saleen
- Saivnose River
- Saint Thomas Island
- Saint Stephens Green Park
- Saints Island
- Patrickswell
- Saint Patricks Island
- Saint Mullins
- Saint Margarets House
- Saint Macdaras Island
- St Johnston
- Saint Johns Port
- Saint John’s Point
- Saint Johns Lough
- Saint Johns House
- Saint Finans Bay
- Saint Edmonds
- Saint Doolaghs
- Saint Clerans
- Saint Catherines
- Saint Brendans House
- Saint Brendans
- Saint Anns Wells
- Saint Anns Hill
- Saggart
- Safe Harbour
- Saddle Hill
- Saddle Head
- Ryves Castle
- Ryndville
- Rylane Cross
- Rye Water
- Ryehill
- Ryefield
- Rutland Island
- Russborough House
- Rushin House
- Slieve Rushen
- Rushbrooke
- An Ros
- Runnamoat House
- Rue Point
- Ruan
- Royaloak
- Royal Canal
- Roy
- Roxborough House
- Roxborough House