Sea turtle eggs incubate and hatch in approximately two months, with a range of 43 to 75 days. After emerging from their eggs, hatchlings work their way to the surface over a period of several days and crawl out on to the beach under the cover of darkness. Once on the beach, hatchlings instinctively orient toward the brightest horizon and away from dark shadowed areas. In a pristine setting, the brightest horizon occurs over the ocean. Unfortunately, artificial lighting from condominiums, houses, commercial establishments and streetlights often confuse hatchlings. This disorientation frequently results in fatalities.