Most toilets in Sardinia are of the Western-style, sit-down variety.
Public toilets are not widespread. If you're caught short, nip into a cafe or bar, all of which are required by law to have a toilet.
Sardinia is a safe island, but use common sense.
Stash away your valuables and lock hire cars.
In case of theft or loss, report the incident at the questura (municipal police station) within 24 hours and ask for a statement, otherwise your travel-insurance company won’t pay up.