- Sidney
- Silverton
- Smithers
- Stillwater
- Summerland
- South East Islets
- Saanich
- Saanichton
- Salt Spring Island
- Isla Saltspring
- Samuel Island
- Saseenos
- Second Sister Island
- Secret Island
- Secretary Islands
- Senanus Island
- Sevenoaks
- Sheep Island
- Shelter Islands
- Shirley
- Sidney Island
- Six Mile
- Skull Islet
- South Bedford Island
- South West Islets
- Strawberry Vale
- Strongtide Islet
- Swartz Bay
- Swordfish Island
- Song Island