ultraviolett index i Water Keys (South End, Harbor Channel) (1.6 mi.) | ultraviolett index i Big Torch Key (Harbor Channel) (1.8 mi.) | ultraviolett index i Big Pine Key (North End) (2.3 mi.) | ultraviolett index i Big Spanish Key (2.3 mi.) | ultraviolett index i Annette Key (North End, Big Spanish Channel) (2.4 mi.) | ultraviolett index i Howe Key (South End, Harbor Channel) (2.7 mi.) | ultraviolett index i Big Pine Key Ne (3 mi.) | ultraviolett index i Raccoon Key (East Side) (4 mi.) | ultraviolett index i Big Torch Key (Niles Channel) (4 mi.) | ultraviolett index i Little Spanish Key (Spanish Banks) (4 mi.) | ultraviolett index i Content Keys (Content Passage) (4 mi.) | ultraviolett index i Knockemdown Key (North End) (4 mi.) | ultraviolett index i Crawl Key (Big Spanish Channel) (4 mi.) | ultraviolett index i Mayo Key (Big Spanish Channel) (5 mi.) | ultraviolett index i Big Pine Key (West Side, Pine Channel) (5 mi.) | ultraviolett index i Porpoise Key (Big Spanish Channel) (6 mi.) | ultraviolett index i Water Key (West End, Big Spanish Channel) (6 mi.) | ultraviolett index i Cudjoe Key (North End, Kemp Channel) (6 mi.) | ultraviolett index i Little Pine Key (North End) (6 mi.) | ultraviolett index i Big Pine Key (Doctors Arm, Bogie Channel) (7 mi.)