Yes, you can absolutely swim in Rainbow Springs State Park in Florida during 2026. This first-magnitude spring is world-famous for its high-quality, crystal-clear 72-degree water, which remains a constant temperature year-round. The premier swimming area is located at the Headsprings entrance, where the depth varies from 5 to 18 feet. It is a high-value "natural wonder" where snorkelers can spot turtles and fish through the remarkable clarity of the water. However, there are high-intensity rules for safety: you must stay within the buoyed swimming area, and tubing is not permitted at the headsprings (it starts from a separate park entrance downriver). Because the park is so popular, it frequently reaches a "high-capacity" limit on weekends and holidays, at which point it closes to new visitors. For a premier experience, arrive early on a weekday to enjoy the high-quality "healing" waters and the stunning natural beauty of one of Florida's largest and most historic springs.