Sanibel Captiva Map. Sanibel island has 15 miles of beaches, 22 miles of bike paths, abundant wildlife and the largest undeveloped mangrove ecosystem in the country. So there’s more to Sanibel island than just shells! Well, not technically. The island is actually made of shells.
This wonderful ribbon of road connects all the little beach communities in South Walton - A drive down this little stretch of road will likely be one of the most scenic and interesting trips of a lifetime