Illinois
Îles commençant par s
États-Unis
- Sand Bar Island
- Sand Island
- Santa Fe Island
- Sarah Ann Island
- Savanna Islands
- Saverton Island
- Schaffer Island
- Scherer Island
- Seawards Island
- Senate Island
- Shandrew Island
- Sheehan Island
- Shuck Island
- Simmons Island
- Sixmile Island
- Skinner Island
- Skinney Island
- Smith Islands
- Smiths Island
- Snake Island
- Snicarte Island
- Snipe Island
- South Fritz Island
- Spar Island
- Spiers Island
- Spring Lake Island
- Squaw Island
- Stolp Island
- Sturgeon Island
- Sugar Creek Island
- Sugar Island
- Sugar Island
- Sumner Island
- Sweeney Islands
- Swiftsure Towhead
- Sylvan Island