Yes, you are permitted to bring your own float to the Rainbow River in Florida, but there are specific rules and fees depending on where you launch. If you are tubing from the Rainbow Springs State Park tubing entrance, you can bring your own single-occupancy tube, but it must be no larger than 80 inches in diameter. Even if you bring your own tube, you are still required to pay the standard tubing fee (approximately $27.00 as of 2026), which covers your entry and the tram service that shuttles you back to your vehicle. Crucially, "disposable" items are strictly prohibited on the river to protect the ecosystem; this means you cannot carry Ziploc bags, plastic water bottles, or glass. You should use reusable containers and dry bags instead. If you are visiting the Headsprings area of the park, all inflatables (rafts, tubes, and balls) are strictly forbidden for safety and environmental reasons; you may only use life preservers or foam noodles there. It is also important to note that the river has a maximum capacity, especially on summer weekends, so arriving early (before 9:00 AM) is the only way to ensure you can get your float on the water before the park closes to new entries.