Canada
Countries of the world
S
- (Skeena-Queen Charlotte Regional District) Skindaskun Island
- (Skeena-Queen Charlotte Regional District) Skincuttle Island
- (Regional District of Mount Waddington) Slave Island
- (Skeena-Queen Charlotte Regional District) Sladden Island
- (Skeena-Queen Charlotte Regional District) Skiakl Island
- (Skeena-Queen Charlotte Regional District) Skaga Island
- (Skeena-Queen Charlotte Regional District) Sivart Island
- (Skeena-Queen Charlotte Regional District) Sisters Islands
- (Regional District of Kitimat-Stikine) Sinnett Islets
- (Skeena-Queen Charlotte Regional District) Sine Island
- (Charlotte County) Simpsons Island
- (Skeena-Queen Charlotte Regional District) Simpson Island
- (Regional District of Alberni-Clayoquot) Similar Island
- (Capital Regional District) Sidney Island
- (Skeena-Queen Charlotte Regional District) Shuttle Island
- (Skeena-Queen Charlotte Regional District) Shrub Island
- (Central Coast Regional District) Shower Island
- (Central Coast Regional District) Shot Island
- (Skeena-Queen Charlotte Regional District) Ship Kieta Island
- (Skeena-Queen Charlotte Regional District) Ship Island
- (Skeena-Queen Charlotte Regional District) Shields Island
- (Central Coast Regional District) Shield Island
- (Powell River Regional District) Sheer Island
- (Skeena-Queen Charlotte Regional District) Shibasha Island
- (Capital Regional District) Sheep Island
- (Regional District of Mount Waddington) Shewell Island
- (Charlotte County) Sheep Island
- (Sunshine Coast Regional District) Shelter Islets
- (Regional District of Mount Waddington) Shell Island
- (Kings County) Shaws Island