You can find fishing rod floats at many online retailers, including Amazon, eBay, and Bass Pro Shops. You can also try searching for them at websites that specialize in fishing gear. When shopping for a fishing rod float, you may want to consider factors such as the type of material it is made of (foam, closed-cell foam, etc.), the size and weight of the rod it is designed to hold, and any additional features it may have, such as a built-in rod leash or reflective tape for visibility. It is also a good idea to read reviews and compare prices to find the best option for your needs.