There is a growing choice of activity opportunities on the mainland too, with cycling and hiking the increasingly popular draws.
In the Skradin/Krka area, there are marked cycle paths from Skradin to the waterfalls of Skradinski buk, and from Skradin to the Bribirska Glavica archeological site. There are a couple of bicycle rental points in Skradin during the summer.
Some of the most exhilarating cycle itineraries are in hinterland of Primošten, where a network of marked routes make use of both tarmac roads and gravelly off-road trails to explore ancient villages such as Draga, Široke and Burnji together with their hillside-hugging vineyards and olive groves.
Vodice has its marked cycling roads that connect all the archeological and cultural landmarks on the mainland, as well as the road for the Croatian Cup - MTB tour as well.
The island of Murter is also good for biking, especially in spring and autumn when there is not too much traffic on the roads.
At the northwestern end of Šibenik county, the seaside resort of Pirovac provides access to the eastern end of the Vransko Jezero nature park, where several biking trails have been marked.
You can get a map at any of the respective tourist offices.