Welcome to the legendary 'Tween Waters Inn Island Resort on beautiful Captiva Island, Florida. Shouldn't every day be this good? Here across 13 gorgeous, tropical Gulf-'tween-bay island acres, couples and families can enjoy 137 highest-quality hotel and resort accommodations including historic 1-, 2- and 3-bedroom seaside cottages; 1- and 2-bedroom suites; Gulfview and Bayview studios; and guest rooms; available nightly or with value-added, money-saving vacation packages. We offer miles of Gulf of Mexico sugar-sand beaches to explore that feature extraordinary shelling, fishing and sanctuary island fun. Olympic-size pool, hot tubs and children's wading pool. The Spa at 'Tween Waters Inn. 'Tween Waters Marina for launch, dock and boat rental. Fitness center. Tennis center. Fishing, kayaking, bicycling nature trails and eco-adventures. TripAdvisor.com's top-rated Captiva Island (and Sanibel Island) dining at the Old Captiva House. Nightly entertainment at the Crow's Nest featuring live music, dinner specials and the NASCRAB Crab Races. Captiva Island sunset weddings, rehearsals and receptions with wedding coordinator. Plus ballroom, boardroom and banquet facilities, indoors and outdoors, for business, weddings and special events. For your Sanibel Island, Captiva Island and Southwest Florida vacation (or vacation rentals), book now at the legendary 'Tween Waters Inn Island Resort.