- Selma Island
- Sentinel Islet
- Sewall
- Shadforth Islands
- Shannon Bay
- Shibasha Island
- Shields Island
- Ship Island
- Ship Kieta Island
- Shrub Island
- Shuttle Island
- Simpson Island
- Sine Island
- Sisters Islands
- Sivart Island
- Skaga Island
- Skedans
- Skedans Islands
- Skiakl Island
- Skidegate
- Skidegate Landing
- Skincuttle Island
- Skindaskun Island
- Sladden Island
- Smith Island
- Smyth Island
- Snass Islands
- Sneath Islands
- Snider Islet
- Solide Islands