| SLOCHD NA SEALBHAIG | OS1/2/37/146 |
| SLOCHD NAM BÀ | OS1/2/37/147 |
| SLOCHD NAN CURRAN | OS1/2/37/153 |
| SOUND OF IONA | OS1/2/37/41 |
| SPINNAG | OS1/2/37/125 |
| SPOUTING CAVE | OS1/2/37/21 |
| SRÒN AN DOBHRAIN | OS1/2/37/106 |
| SRÒN AN DÒBHRAIN | OS1/2/37/160 |
| SRÒN IOLAIRE | OS1/2/37/22 |
| SRUTH A' MHUILINN | OS1/2/37/13 |
| ST JOHN'S CROSS | OS1/2/37/11 |
| ST MARTIN'S CROSS | OS1/2/37/11 |
| ST MARY'S CATHEDRAL (In Ruins) | OS1/2/37/12 |
| ST MARY'S CHAPEL (In Ruins) | OS1/2/37/11 |
| ST. COLUMBA HOTEL [Iona] | OS1/2/37/24 |
| ST. ORAN'S CHAPEL (In Ruins) | OS1/2/37/10 |
| ST. RONAN'S BAY | OS1/2/37/27 |
| STAC LIATH | OS1/2/37/14 |
| STANDING STONE [Ardfenaig] | OS1/2/37/70 |
| STANDING STONE [Dail na Carraigh] | OS1/2/37/81 |
