Guide to Isola Di San Pietro: 10+ Things To See and Do

Isola di San Pietro is a picturesque island located off the southwestern coast of Sardinia, Italy. Renowned for its stunning natural landscapes, rich cultural heritage, and charming town of Carloforte, the island offers a serene escape from the bustling mainland. Visitors are drawn to its unspoiled beaches, diverse wildlife, and the warm hospitality of its inhabitants.

Historical Background

The history of Isola di San Pietro is marked by a blend of influences from various cultures. Originally inhabited by the Phoenicians, the island later saw periods of Roman and Arab rule.

In the 18th century, Genoese settlers from the Tunisian island of Tabarka established the town of Carloforte. This settlement brought a unique mix of Ligurian culture and traditions to the island, which are still evident today in the local dialect and cuisine. The island’s name, which translates to “Saint Peter’s Island,” reflects its long-standing Christian heritage.

Main Attractions


Carloforte, the main town on Isola di San Pietro, is a charming and culturally rich destination. Its unique blend of Ligurian heritage and Sardinian influences is evident in its architecture, language, and local traditions.

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  • Historical Sites
    • Ancient Walls: The remnants of the ancient walls that once protected Carloforte offer a glimpse into the town’s defensive past. These structures delineate the old perimeter of the town and are a testament to its historical significance.
    • Carloforte Castle: Constructed in 1738, this castle served as a military stronghold. Although not all parts of the castle are intact, it remains an important historical landmark that reflects the island’s strategic importance in the Mediterranean.

  • Notable Spots
    • Piazza Pegli: The central square of Carloforte is a lively hub where locals gather. It’s surrounded by colorful buildings and offers a perfect spot for people-watching and soaking in the local atmosphere.
    • Archiottu: This archway, dating back to the late 18th century, was originally the entrance to the gardens of a prominent local family. It’s one of the most photographed landmarks in Carloforte.

  • Local Dialect and Cultural Insights
    • The inhabitants of Carloforte speak Tabarkine, a unique dialect that originated from Ligurian settlers. This linguistic heritage is a significant part of the island’s identity and can be heard in everyday conversations.

Nature and Outdoor Activities

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Isola di San Pietro is a haven for nature enthusiasts, offering a variety of outdoor activities that highlight its stunning landscapes and diverse wildlife.

  • Birdwatching
    • Salt Pans: Located near Carloforte, the Salt Pans are a prime spot for birdwatching. The area attracts various species of birds, including elegant flamingos.
    • LIPU Reserve: Situated on the island’s west side, this nature reserve is home to Eleonora’s falcons, which can be observed from July to October. The reserve offers excellent opportunities to see these majestic birds in their natural habitat.

  • Hiking Trails
    • Cala Fico: The northern coast near Cala Fico features several scenic hiking trails. These paths offer breathtaking views of the sea and the island’s striking vegetation, making them a favorite among hikers.
    • Other Scenic Paths: The island has numerous trails that traverse its varied landscapes, from sun-drenched interiors to coastal paths.

  • Snorkeling and Beach Activities
    • Cala Fico: Known for its rocky shoreline and clear waters, Cala Fico is perfect for snorkeling and exploring underwater life.
    • La Bobba: This sandy beach is ideal for swimming and relaxing by the sea. Its turquoise waters and white sands make it a popular destination for beachgoers.
    • Other Beaches: The island boasts several other beautiful beaches, each offering unique experiences for visitors.


Isola di San Pietro is dotted with landmarks that highlight its natural beauty and historical significance.

  • Capo Sandalo Lighthouse
    • Located on the westernmost point of the island, Capo Sandalo Lighthouse is the westernmost lighthouse in Italy. It offers stunning views, especially at sunset, making it a must-visit spot.
  • The Colonne
    • These two striking rock formations emerge from the sea near La Bobba beach. They are iconic symbols of the island and are popular among photographers and nature lovers.
  • Punta delle Oche and Nasca Caves
    • These caves are located along the rugged coastline and are accessible by boat. They provide a fascinating glimpse into the geological history of the island and are perfect for adventurous explorers.


Overview of Top Beaches

Isola di San Pietro boasts a variety of beautiful beaches, each offering a unique experience for visitors. From sandy family-friendly shores to rocky spots perfect for snorkeling, the island’s beaches cater to diverse preferences.

La Bobba

  • Description: La Bobba is one of the most popular beaches on Isola di San Pietro. It features fine white sand and is bordered by dark gray promontories covered with lush Mediterranean vegetation.
  • Suitability: This beach is family-friendly, with shallow, clear waters making it ideal for children and casual swimmers.
  • Activities: Visitors can enjoy sunbathing, swimming, and beach games. The scenic beauty of La Bobba also makes it a perfect spot for photography.

Cala Fico

  • Description: Cala Fico is a small, rocky bay located on the western side of the island. Its landscape has a lunar-like quality, with dramatic rock formations and clear, deep waters.
  • Suitability: Ideal for snorkeling and exploring underwater life, thanks to its rocky seabed and rich marine biodiversity.
  • Activities: Besides snorkeling, Cala Fico is great for birdwatching due to its proximity to a protected LIPU reserve. It’s also a quiet spot for those looking to enjoy a peaceful day by the sea.

La Caletta

  • Description: Also known as Cala dello Spalmatore, La Caletta is a picturesque bay with white sand and dark rocky outcrops. It’s located on the western coast of the island.
  • Suitability: This beach is excellent for water sports, particularly windsurfing and surfing, due to the favorable wind conditions.
  • Activities: Visitors can engage in windsurfing, surfing, and swimming. The beach’s scenic surroundings also make it a great spot for relaxation and nature walks.

Other Notable Beaches

  • Girin: A lesser-known but equally beautiful beach, Girin features sandy shores and crystal-clear waters. It’s a more secluded spot, perfect for those seeking tranquility away from the more crowded beaches.
  • Guidi: Located close to Carloforte, Guidi offers easy access and is ideal for a quick beach visit. It’s known for its pebbly shore and clear waters, suitable for swimming and picnicking.

Activities and Excursions

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Isola di San Pietro offers a wide array of activities and excursions that cater to various interests. From boat tours that explore remote beaches and caves to adventurous day trips and activities, visitors can fully immerse themselves in the island’s natural beauty and vibrant culture.

Escape to one of Sardinia’s loveliest island retreats with a full-day tour of San Pietro Island. The tour begins in the morning with a pickup directly from your accommodation in Chia or Domus de Maria. Travel in an air-conditioned minivan to Calasetta, where you will board a ferry to San Pietro Island. Upon arrival, you can swim in the turquoise sea, explore the vibrant town of Carloforte, see the Columns of Carloforte, and learn about the island’s rich history. For more details, visit the Viator tour page.

Boat Tours Around the Island

Exploring Isola di San Pietro by boat is a popular activity that allows visitors to access its most remote and scenic spots.

  • Accessing Remote Beaches and Caves: Boat tours provide access to secluded beaches and hidden caves that are otherwise difficult to reach. Highlights include the stunning Punta delle Oche and the intriguing Nasca caves. These tours often include stops for swimming, snorkeling, and enjoying the serene landscapes away from the more crowded areas.

Day Trips to Nearby Islands

For those looking to explore beyond Isola di San Pietro, day trips to nearby islands offer a chance to experience more of the region’s charm and history.

  • Sant’Antioco: Known for its historical sites, such as the ancient acropolis and Roman bridge, as well as its beautiful beaches like Maladroxia and Coaquaddus.

Adventure Activities

Isola di San Pietro caters to adventure seekers with a variety of thrilling activities.

  • Diving Centers: The island’s clear waters and diverse marine life make it a fantastic location for diving. Several diving centers offer guided dives and courses for all levels, allowing visitors to explore underwater caves, reefs, and shipwrecks.
  • Jeep Tours: For an adventurous land-based experience, jeep tours provide an exciting way to explore the island’s rugged interior and coastal paths. These tours often take visitors to off-the-beaten-path locations, offering panoramic views and close encounters with local wildlife.

Where to Sleep on Isola di San Pietro

Isola di San Pietro offers a variety of accommodations to suit different tastes and budgets. Here’s a guide to help you choose the perfect place to stay during your visit.

  1. Hotels:
    • Nichotel: Excellent choice in Carloforte, featuring modern comforts and some rooms with terraces overlooking the sea.
    • Lu’ Hotel Riviera: Located in Carloforte, this hotel offers upscale amenities and beautiful sea views. It’s perfect for those seeking luxury and convenience.
  2. Bed and Breakfasts (B&Bs):
    • B&B Casavale: Known for its cozy atmosphere and personalized service, this B&B is a great option for travelers looking for a homely experience.
  3. Vacation Rentals:
    • Casa Tonina offer the flexibility of having your own space and the comfort of home, ideal for families or larger groups.

Recommendations Based on Budget and Location

  • Luxury: Choose Hotel Riviera or Nichotel for their excellent amenities and prime locations near the center of Carloforte.
  • Mid-Range: Lu’ Hotel Carloforte provides comfortable accommodations with modern facilities, making it a great mid-range option.
  • Budget: Hotel Hieracon and various affordable B&Bs like B&B Casavale offer great value without compromising on comfort.

Where is Isola di San Pietro?

Isola di San Pietro is part of the Sulcis Archipelago and lies in the Mediterranean Sea, approximately 7 kilometers off the coast of Sardinia. The island can be easily reached by ferry, with regular services operating from Portoscuso and Calasetta on the Sardinian mainland. The ferry ride takes about 30 to 40 minutes, offering passengers scenic views of the surrounding waters and coastline.

How to Get There

Transportation Options

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Reaching Isola di San Pietro is relatively straightforward, thanks to well-established ferry connections from the Sardinian mainland. The island is accessible primarily by sea, with regular ferry services that ensure smooth and convenient travel.

Ferries from Portoscuso and Calasetta

There are two main departure points for ferries to Isola di San Pietro: Portoscuso and Calasetta. Both towns are located on the southwestern coast of Sardinia and offer frequent ferry services to the island’s port in Carloforte.

  • Portoscuso: Located about 80 kilometers from Cagliari, Portoscuso offers several daily ferry departures. This option is convenient for travelers coming from the central and southern parts of Sardinia.
  • Calasetta: Positioned slightly closer to Isola di San Pietro, Calasetta is another popular ferry departure point. It is an excellent choice for those exploring the Sulcis region or traveling from northern Sardinia.

Weather and Best Times to Visit

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Isola di San Pietro enjoys a Mediterranean climate, characterized by hot, dry summers and mild, wet winters. Here’s a breakdown of the weather throughout the year and the best times to visit:

  • Spring (March to May): Spring is a delightful time to visit, with temperatures ranging from 15°C (59°F) to 22°C (72°F). The island is lush and blooming, making it perfect for outdoor activities like hiking and exploring the beaches.
  • Summer (June to August): Summer is the peak tourist season, with temperatures often exceeding 30°C (86°F). This period is ideal for beach activities, swimming, and snorkeling. However, it can be quite crowded, and accommodation prices are at their highest.
  • Autumn (September to November): Early autumn is another excellent time to visit. The temperatures are still warm, ranging from 20°C (68°F) to 28°C (82°F), and the crowds thin out, providing a more relaxed atmosphere.
  • Winter (December to February): Winters are mild, with temperatures between 10°C (50°F) and 15°C (59°F). While not ideal for beach activities, this season offers a quiet escape and is suitable for exploring the island’s cultural and historical sites.

Local Customs and Etiquette

Understanding and respecting local customs and etiquette can enhance your experience on Isola di San Pietro:

  • Language: While Italian is the official language, many locals speak Tabarkine, a Ligurian dialect. Learning a few basic Italian phrases can go a long way in communicating and showing respect.
  • Dining Etiquette: Meals are an important part of Italian culture. It’s customary to greet with “Buon appetito” before eating. Tipping is appreciated but not obligatory; rounding up the bill or leaving a small amount is sufficient.
  • Dress Code: Dress modestly when visiting churches or religious sites. Beachwear is appropriate for the beach but not in town or restaurants.
  • Greetings: Italians typically greet each other with a handshake, and friends may kiss on both cheeks. Use formal titles such as “Signore” (Mr.) and “Signora” (Mrs.) when addressing older adults or those you don’t know well.

Summary of Why Isola di San Pietro is Worth Visiting

Isola di San Pietro is a captivating destination that offers a unique blend of natural beauty, rich culture, and diverse activities. The island’s stunning landscapes, from its pristine beaches like La Bobba and Cala Fico to the dramatic rock formations at Capo Sandalo, provide endless opportunities for outdoor adventures and relaxation. The charming town of Carloforte, with its colorful buildings, historic sites, and vibrant local culture, invites visitors to explore and immerse themselves in its unique Ligurian-Sardinian atmosphere.

The island’s culinary delights, heavily influenced by Ligurian and Mediterranean traditions, offer a gastronomic journey that features fresh seafood, handmade pasta, and other local specialties. Whether dining at renowned restaurants like Da Nicolo or enjoying simpler fare at local cafes, the food on Isola di San Pietro is sure to delight.

Isola di San Pietro is more than just a picturesque island; it is a place where nature, culture, and history intertwine to create a truly unique experience. Visitors are encouraged to explore its diverse landscapes, from the serene salt pans teeming with birdlife to the hiking trails that offer breathtaking views of the sea and sky.

The rich history of Carloforte, reflected in its ancient walls, castle, and unique Tabarkine dialect, adds depth to the island’s appeal. Participating in local festivals, such as the Girotonno, allows visitors to experience the vibrant traditions and community spirit that define the island.

Whether you are seeking adventure, relaxation, or a cultural immersion, Isola di San Pietro has something to offer. Its serene environment, friendly locals, and array of activities make it a perfect destination for a memorable and enriching travel experience. So, pack your bags and set off to discover this hidden gem in the Mediterranean—you won’t be disappointed.

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