The official concessions operator for J.N. "Ding" Darling National Wildlife Refuge, this company rents canoes and kayaks, leads guided paddling tours along the refuge's Commodore Trail, conducts naturalist-narrated tours of the refuge's Tarpon Bay and rents electric pontoon boats. Open daily 8 am-5 pm. US$30 for a two-hour canoe or kayak rental; US$30 adults, US$15 children for a guided paddling tour (kayak or canoe included); US$20-$25 for pontoon cruise. 900 Tarpon Bay Road, Sanibel Island. Phone 239-472-8900. http://www.tarponbayexplorers.com.