- South Burnett Island
- South Island
- South Island
- South Marble Island
- South Pinnacle Rock
- South Punuk Island
- Southerly Island
- Saahmlam Tanangis
- Sachem Island
- Sadatanak Island
- Sagchudak Island
- Sagigik Island
- Saguugaadax
- Saguugaadax
- Sagwon
- Sail Island
- Saint George Island
- Saint Ignace Island
- Saint John Harbor
- Saint Joseph Island
- Saint Lawrence Island
- Saint Lazaria Islands
- Saint Matthew Island
- Saint Michael Island
- Saint Paul Island
- Ilha de São Paulo
- Saint Philip Island
- Saint Terese
- Salamatof
- Salcha