No, you are strictly prohibited from possessing or consuming alcohol on the Rainbow River in Marion County, Florida. This rule is heavily enforced by local law enforcement and park rangers to protect the pristine natural beauty of the aquatic preserve and ensure the safety of all visitors. In 2026, the "Disposable Container Rule" also remains in effect, meaning you cannot take any one-time-use plastics, cans, or glass bottles onto the river; all beverages must be in a non-disposable, reusable container. If you are caught with alcohol, you can face significant fines and may be escorted off the river immediately. These regulations help maintain the family-friendly atmosphere of this crystal-clear spring-fed river and prevent litter from damaging the sensitive eelgrass and wildlife habitats. While you can enjoy a drink at the restaurants in Dunnellon after your float, the time spent on the water must be alcohol-free.