S
- (Capital Regional District) South West Islets
- (Skeena-Queen Charlotte Regional District) Spicer Island
- (Central Coast Regional District) Spider Island
- (Central Coast Regional District) Spirit Island
- (Central Coast Regional District) Spitfire Island
- (Strathcona Regional District) Spouter Island
- (Strathcona Regional District) Spring Island
- (Squamish-Lillooet Regional District) Sproatt
- (Skeena-Queen Charlotte Regional District) Squall Island
- (Strathcona Regional District) Squirrel Cove
- (Regional District of Mount Waddington) Stackhouse Island
- (Regional District of Alberni-Clayoquot) Staff Islet
- (Strathcona Regional District) Stag Island
- (Skeena-Queen Charlotte Regional District) Stapledon Island
- (Regional District of Mount Waddington) Staples Islet
- (Central Coast Regional District) Starfish Island
- (Regional District of Kitimat-Stikine) Star Island
- (Regional District of Mount Waddington) Star Islets
- (Regional District of Kitimat-Stikine) Stark Islet
- (Regional District of Mount Waddington) Start Island
- (Powell River Regional District) Station Island
- (Fraser Valley Regional District) Stave Falls
- (Northern Rockies Regional Municipality) Steamboat
- (Fraser Valley Regional District) Steelhead
- (Strathcona Regional District) Steep Island
- (Regional District of Mount Waddington) Steep Islet
- (Skeena-Queen Charlotte Regional District) Stephens Island
- (Regional District of Mount Waddington) Stephenson Islet
- (Regional District of Alberni-Clayoquot) Stewardson Inlet
- (Regional District of Mount Waddington) Stick Island