2 county-level rules, plus city-specific rules for 1 city in St. Lucie County, Florida.
Verified from official government sources
St. Lucie County's Treasure Coast beaches are protected by a sea-turtle lighting ordinance (LDC 6.04.02). Between the coastal control line and the Atlantic, no artificial light may directly illuminate the beach seaward of the primary dune during nesting season, March 1 to November 15.
SLC LDC 6.04.02
No artificial public or private light source shall directly illuminate areas seaward of the primary dune where it may deter adult female sea turtles from nesting or disorient hatchlings.
Along St. Lucie County's coast, the sea-turtle ordinance (LDC 6.04.02) is the strongest light-trespass rule: exterior lights visible from the beach or illuminating seaward of the dune must be turned off after 11:00 P.M., and beachfront windows need blackout treatments.
SLC LDC 6.04.02
Exterior light sources directly visible from the beach or illuminating areas seaward of the primary dune shall be turned off after 11:00 P.M. each night.
1 cities in St. Lucie County have their own outdoor lighting rules. Each link goes to that city's dedicated page with code citations.
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