Biograd has a very good location if you are interested in sailing along croatian coast in both (SE & NW) directions because it's situated somewhere in the middle of it. It's probably the best starting point if you decide to visit Kornati NP, Krka NP and Telaščica bay on a charter boat with a great possibility of going somewhere further. The location of marina is right next to the old town and that is quite of an advantage, because you can go everywhere by foot. There is also a big market near by, where you can buy almost everything you need for your sailing trip. Toilets and showers are clean, but the resturant it's not the best. I rent a charter boat there at least 3 times per year since I started sailing on my own and it's my favorite place to start a longer sailing trip.