- Shuna Island
- Skelbo Street
- Skerray
- Skye of Curr
- Smithstown
- Soay
- Soyea Island
- Staffin Island
- Stronchreggan
- Summer Isles
- Spey Bay
- Strathwhillan
- South Ballachulish
- Salsburgh
- Sanday Island
- Scarwell
- Shapinsay
- Shell Holm
- Skeabrae
- South Ronaldsay
- St Mary's
- Stack Skerry
- Stronsay Island
- Sule Skerry
- Sweyn Holm
- Switha
- Swona
- Scone
- Scotlandwell
- Spittalfield