ultraviolet index in Shark River Entrance (6 mi.) | ultraviolet index in Flamingo (Florida Bay) (14 mi.) | ultraviolet index in Cape Sable (East Cape) (14 mi.) | ultraviolet index in Lostmans River Entrance (20 mi.) | ultraviolet index in Onion Key (Lostmans River) (21 mi.) | ultraviolet index in Chatham River Entrance (30 mi.) | ultraviolet index in Crane Keys (North Side, Florida Bay) (34 mi.) | ultraviolet index in East Key (Southern End, Florida Bay) (34 mi.) | ultraviolet index in Shell Key (Northwest Side, Lignumvitae Basin) (35 mi.) | ultraviolet index in Lignumvitae Key (West Side, Florida Bay) (35 mi.)