Yes, Sanibel Island has a dedicated year-round population, although it fluctuates significantly with the seasons. As of 2026, the permanent population is estimated to be around 6,500 residents. These individuals enjoy a unique lifestyle governed by strict environmental "dark sky" ordinances and building codes designed to protect the island's famous sea turtle nesting grounds and natural mangroves. Living on Sanibel year-round requires a commitment to a slower pace of life, as there are no traffic lights on the island and a large portion of the land is preserved within the J.N. "Ding" Darling National Wildlife Refuge. While the population swells to over 20,000 during the winter "snowbird" season, the permanent community sustains the island's schools, library, and local government. Following the recovery from major hurricanes in recent years, many year-round residents have rebuilt homes with advanced elevation and storm-resilient features to ensure the long-term viability of the community.