Southwest Florida’s barrier islands create a remarkable transition between the mainland and the Gulf of Mexico. Estero Island, home to Fort Myers Beach, combines a lively coastal community with broad beaches and easy access to boating and fishing. Sanibel is celebrated for its natural character, wildlife habitats, and shell-covered beaches, while neighboring Captiva offers a quieter, more intimate island atmosphere. Big Hickory Island remains less developed, preserving the secluded shoreline and coastal habitat that make this region so distinctive. Farther south, Marco Island is the largest barrier island in the Ten Thousand Islands and combines beaches, canals, boating access, and an established residential community. Together, Estero, Sanibel, Captiva, Big Hickory, and Marco Island help protect the mainland from Gulf waters while providing important habitat for wildlife. Each has its own personality, but all share a rare connection among beaches, bays, mangroves, wildlife, and waterfront living that makes Southwest Florida’s coast truly unique.