Home to pretty treasures, Seulo is Italy's best kept secret. The nearest major city to Seulo is Alghero. Attractions in Alghero include Neptune's Cave, Bombarde Beach, Maria Pia Beach. Also, to reach Seulo, you'll have to take a flight to Alghero; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. 1-2 days is an ideal duration of visit to Seulo.
Yes,it is that simple really! Enjoy your trip! Keep travelling!