Santo Stefano Island Island
Small Italian island formerly site of a prison
Off the Pontine archipelago near Ponza, Santo Stefano Island is a small islet with prison ruins and a lighthouse; visitors reach it by boat for snorkeling, coastal walks and short dives around the rocky shore.
Santo Stefano Island at a Glance#
Address: Santo Stefano Island, Pontine Islands, Tyrrhenian Sea, Italy
How to Get to Santo Stefano Island#
Santo Stefano is reached by boat from Ponza or Ventotene. Regular ferry services and day-trip operators run in summer; some parts of the island may be private or restricted.
Tips for Visiting Santo Stefano Island#
- Boat tours from Ponza or Ventotene may include a circumnavigation of the island - check sardine season and local closures before booking.
- The island has ruins of a 18th-19th-century prison; access may be limited and requires permission.
Best Time to Visit Santo Stefano Island#
Summer is the obvious time to approach the island by sea; some areas may have restricted access for conservation or private ownership.
Weather & Climate near Santo Stefano Island#
Temperate climate with warm summers (peaking in August) and cool winters (coldest in February). Temperatures range from 7°C to 28°C. Moderate rainfall (777 mm/year) with a pronounced dry season.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Acceptable | 8° - 13° | 11° | 86 mm | partly cloudy | 75% | 2.8 m/s | 0.2 low | 9.5h |
| February | Good | 7° - 13° | 10° | 74 mm | partly cloudy | 75% | 3.0 m/s | 0.4 low | 10.5h |
| March | Good | 8° - 14° | 11° | 60 mm | partly cloudy | 77% | 3.1 m/s | 0.8 moderate | 11.8h |
| April | Very Good | 10° - 17° | 13° | 55 mm | partly cloudy | 77% | 3.0 m/s | 1.2 high | 13.1h |
| May | Very Good | 14° - 21° | 18° | 30 mm | some cloud | 74% | 2.6 m/s | 1.7 very high | 14.3h |
| June | Ideal | 18° - 25° | 21° | 16 mm | mostly sunny | 73% | 2.6 m/s | 2.1 extreme | 14.8h |
| July | Ideal | 20° - 28° | 24° | 13 mm | clear | 71% | 2.5 m/s | 2.2 extreme | 14.6h |
| August | Ideal | 21° - 28° | 25° | 30 mm | clear | 70% | 2.4 m/s | 1.9 very high | 13.6h |
| September | Excellent | 19° - 25° | 22° | 72 mm | some cloud | 69% | 2.4 m/s | 1.2 high | 12.3h |
| October | Good | 15° - 21° | 18° | 109 mm | partly cloudy | 73% | 2.5 m/s | 0.7 moderate | 11.0h |
| November | Good | 11° - 17° | 14° | 131 mm | partly cloudy | 75% | 2.8 m/s | 0.3 low | 9.8h |
| December | Acceptable | 9° - 14° | 12° | 101 mm | partly cloudy | 74% | 3.1 m/s | 0.2 low | 9.2h |
