- Saint Philip Island
- Saint Terese
- Salamatof
- Salcha
- Salcha
- Sally Island
- Salmon Island
- Salmon Village
- Saloon Island
- Salt Chuck
- Salt Island
- Sam Charley Island
- Samalga Island
- San Adrian Island
- San Clemente Island
- San Fernando Island
- San Francisco Island
- San Island
- San Juan
- San Juan Bautista Island
- San Juan Cannery
- San Juan Island
- San Juan Islands
- San Juanito Island
- San Lorenzo Islands
- Sanak
- Sanak Island
- Sanak Islands
- Sand Island
- Sand Islands