The Pontine Islands are a pretty archipelago off the Italian coast south of Rome. With a long history, attested by Roman ruins and rock tombs.
There are only two islands large enough to offer accommodation options and regular ferry connections: Ponza and Ventotene. The other islands of the Pontine Archipelago, including the Zannone nature reserve, can be visited on boat trips from the two largest islands.
Palmarola a small island in front of Ponza and almost uninhabited. There is a small berth for boats and a restaurant (only in summer). The green island of Zannone is a nature reserve, and also the site of a ruined monastery, built in 1213.