There’s almost a full mile of beautiful, unspoiled Captiva beachfront biking to be enjoyed at ‘Tween Waters Island Resort & Spa — complete with free two-hour bicycle rentals available at our Marina when you book direct. For the more adventurous, Sanibel offers more than 25 miles of bicycle trails — in addition to the 5-mile adventure awaiting you at J.N. “Ding” Darling National Wildlife Refuge, where you can view more than 250 bird species, fish, reptiles, mammals and endangered species in a unique, up close and personal experience.