South Seas Captiva Island Triathlon 2026 — Captiva Island, FL

Your island escape awaits! Join us at the South Seas Captiva Island Triathlon and swim in the pristine waters of the Gulf of Mexico, bike on a closed-course (to vehicular traffic) and enjoy a beautiful run on Florida's Gulf Coast. This beginner friendly event will take place on September 27, 2026 and will feature a Super Sprint for beginners (200 yard Swim, 5 mile Bike, and a 1.5 mile run), and a Sprint distance triathlon, duathlon and aquabike (Tri: .25 mile swim,10 mile bike, and a 3.1 mile run - Duathon: 1 mile run, 10 mile bike, and a 3.1 mile run - Aquabike: .25 swim, and a 10 mile bike, no run). Only 45 minutes, yet a world away, Captiva Island is connected to Florida’s mainland via Sanibel Causeway and a small bridge over Blind Pass, joining it to Sanibel Island. Tucked away at the northern end of the five-mile long, one-half-mile wide Captiva Island, South Seas is between Pine Island Sound and the Gulf of Mexico, ensconced by two-and-a-half miles of powder-white beaches lapped by turquoise tides. USE OUR SPECIAL LINK TO RESERVE YOUR ROOM AND RECEIVE FULL GUEST BENEFITS DURING YOUR STAY! Come for the race and stay for the weekend! Presenting classic island charm, the 330-acre South Seas is nestled among mangroves with more than half of the resort a dedicated wildlife preserve and estuary. World-renowned fishing, boating, and yachting, and discovering storied barrier islands are among the unforgettable experiences of a South Seas guest. The resort has been a cherished destination for more than 75 years. Throughout the race weekend we will have South Seas event activities around our resort for individuals and families to enjoy.