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

  • La Lavandera
  • La Pareda
  • La Parida y su Figulo
  • La Parida y su Hijos
  • Lake Key
  • Las Tetas
  • Laurence Island
  • Laurence Key
  • Ledbury Key
  • Lemon Key
  • Lignum Vitae Key
  • Linderman Key
  • Little Bahia Honda Key
  • Little Conch Key
  • Little Crane Key
  • Little Crawl Key
  • Little Duck Key (I)
  • Little Duck Key (II)
  • Little Fat Deer Key
  • Little Grassy Key
  • Little Knockemdown Key
  • Little Matecumbe
  • Little Money Key
  • Little Mullet Key
  • Little Munson Island
  • Little Palm Island
  • Little Palmetto Island
  • Little Pine Key
  • Little Sandy Keys
  • Little Savoy Keys
  • Little Soldier Key
  • Little Spanish Key
  • Little Spanish Key Mangrove
  • Little Swash Keys
  • Little Torch Key
  • Little Totten Key
  • Littleton Island
  • Loggerhead Key (I)
  • Loggerhead Key (II)
  • Loggerhead Turtle Kay
  • Long Arsnicker Key
  • Long Island
  • Long Key (I)
  • Long Key (II)
  • Long Point Key
  • Looe Key
  • Los Hermanos
  • Los Paradisos
  • Loup
  • Low Key
  • Lower Harbor Keys
  • Lower Matecumbe Key
  • Lower Sugarloaf Key
  • Lowesport
  • Luvenia Key