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

  • Bahia Honda Key
  • Ballast Key
  • Bamboo Key
  • Barnes Key
  • Barracouta Key
  • Barracuda Keys
  • Bay Key(s)
  • Big Bahia Honda Key
  • Big Coppitt Key
  • Big Crocodile Key
  • Big Harper Key
  • Big Key
  • Big Knockemdown Key
  • Big Mangrove Key
  • Big Money Key
  • Big Mullet Key
  • Big Munson Island
  • Big Pine Key
  • Big Spanish Key
  • Big Torch Key
  • Bill Finds Key
  • Bird Key (I)
  • Bird Key (II)
  • Black Betsy Keys
  • Black Caesar's Key
  • Black Swan Key
  • Blake Key
  • Bluff Island
  • Bluff Kay
  • Bob Allen Keys
  • Bob Keys
  • Boca Chica Key
  • Boca Chita Key
  • Boca Grande Key
  • Boggies, The
  • Boggy Key
  • Bonefish Key
  • Booby Island
  • Booby Key
  • Boot Key(s)
  • Bottle Key
  • Bottlepoint Key
  • Bowlegs Key
  • Boys Key
  • Bradley Key
  • Bradshaw
  • Broad Key
  • Brush Keys
  • Buchanan Keys
  • Budd Key
  • Bull Isle
  • Buoy Key
  • Burnt Keys
  • Burnt Point Key
  • Bush Key
  • Butternut Key
  • Button Island
  • Buttonwood Key
  • Buttonwood Keys
  • Buttonwood Strips