Technically Sanibel’s birth date was November 4, 1974, so it’s a belated birthday decades in the making — and the opportunity could have been missed by a matter of weeks. Learn about the genesis of the municipality, other foresighted efforts to preserve the islands and why in the end Captiva decided not to join in. Sanibel was celebrated throughout the country as one of the first cities based on how the natural systems work. Its comprehensive land use plan was used as a textbook by many universities. Find out what made it so revolutionary.