ultraviolet index in Shell Key (Northwest Side, Lignumvitae Basin) (1.0 mi.) | ultraviolet index in Upper Matecumbe Key (West End, Hawk Channel) (1.2 mi.) | ultraviolet index in Little Basin (Upper Matecumbe Key, Florida Bay) (1.3 mi.) | ultraviolet index in Upper Matecumbe Key (Hawk Channel) (1.8 mi.) | ultraviolet index in Islamorada (Upper Matecumbe Key, Florida Bay) (1.9 mi.) | ultraviolet index in Lignumvitae Key (NE Side, Florida Bay) (2.3 mi.) | ultraviolet index in Indian Key (Hawk Channel) (2.7 mi.) | ultraviolet index in Lignumvitae Key (West Side, Florida Bay) (3.0 mi.) | ultraviolet index in Whale Harbor Channel (Hwy. 1 Bridge, Windley Key) (4 mi.) | ultraviolet index in Whale Harbor (Windley Key, Hawk Channel) (4 mi.) | ultraviolet index in Indian Key Anchorage (Lower Matecumbe Key) (4 mi.) | ultraviolet index in Matecumbe Bight (Lower Matecumbe Key, Florida Bay) (5 mi.) | ultraviolet index in Alligator Reef (Hawk Channel) (5 mi.) | ultraviolet index in Snake Creek (Hwy. 1 Bridge, Windley Key) (5 mi.) | ultraviolet index in Snake Creek (Plantation Key) (5 mi.) | ultraviolet index in East Key (Southern End, Florida Bay) (7 mi.) | ultraviolet index in Matecumbe Harbor (Lower Matecumbe Key, Florida Bay) (7 mi.) | ultraviolet index in Yacht Harbor (Cowpens Anchorage, Plantation Key) (7 mi.) | ultraviolet index in Crane Keys (North Side, Florida Bay) (7 mi.) | ultraviolet index in Channel Two, East (Lower Matecumbe Key, Florida Bay) (7 mi.)