Captiva is an unincorporated community and census-designated place (CDP) in Lee County, Florida, United States. It is located on Captiva Island. As of the 2010 census the population was 583, up from 379 at the 2000 census. It is part of the Cape Coral-Fort Myers, Florida Metropolitan Statistical Area.
Located just offshore in the Gulf of Mexico, the island is just north of Sanibel Island. Captiva is accessed by a small bridge that crosses Blind Pass from Sanibel Island. There is a toll to use the causeway that goes from the mainland to Sanibel Island.