SUPs are a blast, however, getting a paddleboard to the water can sometimes be a pain.  If you’re trying to carry a lot of gear, have short arms, or a long and potentially heavy board, it can be a pain to carry.  There are carts/carriers available to help with this from various manufacturers.  However, for a very low cost, it is very easy to build your own.  With a quick search, you can find many who have gone this route.  The best part is, you can modify many of the designs to fit your own needs.  Here is a good one to get you started:

Image from KayakDIY on YouTube