ultraviolet index in Water Key (West End, Big Spanish Channel) (1.1 mi.) | ultraviolet index in Johnson Keys (North End) (1.2 mi.) | ultraviolet index in Johnson Keys (South End) (1.8 mi.) | ultraviolet index in Crawl Key (Big Spanish Channel) (1.9 mi.) | ultraviolet index in Mayo Key (Big Spanish Channel) (2.4 mi.) | ultraviolet index in Porpoise Key (Big Spanish Channel) (2.6 mi.) | ultraviolet index in Little Spanish Key (Spanish Banks) (3.0 mi.) | ultraviolet index in Little Pine Key (South End) (3.0 mi.) | ultraviolet index in Horseshoe Keys (South End) (3 mi.) | ultraviolet index in No Name Key (East Side, Bahia Honda Channel) (4 mi.) | ultraviolet index in Big Pine Key (Bogie Channel Bridge) (4 mi.) | ultraviolet index in Annette Key (North End, Big Spanish Channel) (4 mi.) | ultraviolet index in Big Pine Key Ne (4 mi.) | ultraviolet index in West Bahia Honda Key (4 mi.) | ultraviolet index in Big Pine Key (North End) (4 mi.) | ultraviolet index in Big Pine Key (Doctors Arm, Bogie Channel) (5 mi.) | ultraviolet index in Howe Key (South End, Harbor Channel) (5 mi.) | ultraviolet index in Big Pine Key (West Side, Pine Channel) (5 mi.) | ultraviolet index in Cocoanut Key (Florida Bay) (6 mi.) | ultraviolet index in Big Spanish Key (6 mi.)