Porto Ottiolu is a private marina and a touristic destination located in the commune of Budoni, Province of Olbia-Tempio, Sardinia, Italy, on Tyrrhenian Sea, some 35 km south of Olbia.
It was built in 1988 in the place in where was once the ancient Roman port of Portiolum, and after its immediate success, a huge village was built around it with the same name.
The marina can host 405 boats in 8 classes and has complete services. It is the largest marina of the East coast of Sardinia.
In its waters, apneist diver it:Gianluca Genoni repeatedly scored new world records.
Other activities include fishing.