2 county-level rules, plus city-specific rules for 1 city in Chatham County, Georgia.
Verified from official government sources
Chatham County has no countywide dark-sky ordinance, but Tybee Island enforces a sea-turtle lighting rule (Land Development Code Sec. 3-230). From May 1 to October 31, beach-visible lights must be shielded so they do not illuminate the beach, or be turned off from sunset to sunrise.
Tybee Island Land Development Code Sec. 3-230 (Turtle Nesting Protection) (Ord. No. 18-2014)
Lights illuminating structures and grounds shall be shielded or screened so that they do not illuminate the beach and the point source of light is not visible from the beach, or they shall be turned off from sunset to sunrise during the period of May 1 through October 31 of each year.
Chatham County has no general light-trespass ordinance; spillover from a neighbor's lights is handled through zoning standards or nuisance law. On Tybee Island, beachfront fixtures must be shielded so the light source is not visible from the beach (Sec. 3-230).
Tybee Island Land Development Code Sec. 3-230(B)(1)
Floodlights shall be shielded and mounted so that no light illuminates the beach and the point source of light is not visible from the beach.
1 cities in Chatham County have their own outdoor lighting rules. Each link goes to that city's dedicated page with code citations.
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