Names in regular type refer to official designations, names in italics refer to previous names or local nicknames

  • Saddle Bluff
  • Saddlebunch Keys
  • Saddlehill Key
  • Sally Bunces
  • Saltpond Keys
  • Sambo Key
  • Sambo Keys
  • Samphire Keys
  • Sand Key (I)
  • Sand Key (II)
  • Sand Key (III)
  • Sandfly Key
  • Sands Key
  • Sandy Kay
  • Sandy Key
  • Saragold Key
  • Saunder's Key
  • Sawyer Key
  • Shark Key
  • Shell Key (I)
  • Shell Key (II)
  • Shellfish Key
  • Shelter Key
  • Sheriff's Island
  • Shit Keys
  • Shoal Key (I)
  • Shoal Key (II)
  • Short Key
  • Sid Key
  • Singlebush Kay (I)
  • Singlebush Kay (II)
  • Sisters, The
  • Small Sand Kay
  • Snake Creek Key
  • Snake Key (I)
  • Snake Key (II)
  • Snipe Key
  • Soldiers Island
  • Soldiers Key(s)
  • Sombrero Key
  • Sound Island
  • Sound Key
  • Sound Point
  • South Big Pine Key
  • South Matacumbe Key
  • Southwest Key
  • Spanish Harbor Key(s)
  • Spanish Key
  • Spy Key
  • Squirrel Key
  • Stake Key
  • Stark Key
  • Stephen
  • Stirrup Key
  • Stirup's Kay
  • Stock Island
  • Sugarloaf Key
  • Sugarloaf Sound Keys
  • Summerland Key
  • Sunset Key
  • Sunshine Key
  • Swan Key
  • Swash Keys