Yes, you can absolutely bring your own float to the Rainbow River in Florida, but there are specific rules and logistical "pro-tips" you must follow in 2026. If you are entering through the Rainbow Springs State Park, your float must not exceed 60 inches in width or length for single-person tubes; large, multi-person "island" floats are generally prohibited to prevent congestion in the narrow parts of the river. If you bring your own tube, you will need to pay the park entry fee and an additional small fee if you wish to use the park’s shuttle service to return to your vehicle after your two-hour float. A major advantage of bringing your own gear is comfort and cost-saving, as rentals can be $20 or more per person. However, ensure your float is durable enough for the river's vegetation and that you have a secure way to carry your trash, as the Rainbow River is an "Outstanding Florida Waterway" with a strict zero-disposable-container policy. Anything you bring on the river must be in a reusable container, and rangers frequently check coolers at the launch point to protect the pristine water clarity.