ultraviolett index i Shark Key (Southeast End, Similar Sound) (1.1 mi.) | ultraviolett index i Saddlebunch Keys (Similar Sound) (1.3 mi.) | ultraviolett index i Big Coppitt Key (Northeast Side, Waltz Key Basin) (1.4 mi.) | ultraviolett index i Saddlebunch Keys (Channel No. 5) (1.9 mi.) | ultraviolett index i Rockland Key (Rockland Channel Bridge) (2.0 mi.) | ultraviolett index i O'Hara Key (North End, Waltz Key Basin) (2.0 mi.) | ultraviolett index i Saddlebunch Keys (Channel No. 4) (2.3 mi.) | ultraviolett index i Saddlebunch Keys (Channel No. 3) (3 mi.) | ultraviolett index i Duck Key Point (Duck Key, Waltz Key Basin) (4 mi.) | ultraviolett index i Boca Chica Key (Long Point) (4 mi.) | ultraviolett index i Waltz Key (Waltz Key Basin) (4 mi.) | ultraviolett index i Boca Chica Marina (4 mi.) | ultraviolett index i Boca Chica Key (Southwest End) (5 mi.) | ultraviolett index i Snipe Keys (Southeast End, Inner Narrows) (5 mi.) | ultraviolett index i Boca Chica Channel Bridge (5 mi.) | ultraviolett index i Snipe Keys (Middle Narrows) (5 mi.) | ultraviolett index i Channel Key (West Side) (6 mi.) | ultraviolett index i Perky (6 mi.) | ultraviolett index i Key Haven - Stock Island Channel (6 mi.) | ultraviolett index i North Harris Channel (7 mi.)