Here is a list of 10 things to see in Olbia on a trip: 1. Costa Smeralda: Visit the famous seaside resort with white sandy beaches and crystal clear water. 2. Church of San Simplicio: Admire the ancient Romanesque church from the 11th century, considered Olbia's main monument. 3. Olbia Archaeological Museum: Explore the collections of artefacts from the Roman and Nuragic eras to understand the history of the area. 4. Basilica di San Simplicio: Visit this 4th century early Christian basilica with frescoes and mosaics. 5. Tavolara Island: Take a boat to visit Tavolara Island, a marine reserve with spectacular biodiversity and enchanting beaches. 6. Museo del Mare: Discover the maritime history of the area and admire the vintage ships preserved in the museum. 7. Olbia old town: Explore the picturesque streets, squares and churches of the old town. 8. Olbia Wildlife Park: Visit the park to admire domestic and wild animals, such as deer and pheasants. 9. Olbia market: Wander among the stalls of the bustling city market to immerse yourself in the local atmosphere and buy regional products. 10. Olbia Harbour: Take a stroll along the waterfront and enjoy the view of the harbour with yachts and fishing boats. And to discover all the curiosities of the city without unnecessary research, try our free map. Try Secret Maps. Thousands of legends, ghost stories, art treasures and many wonders await you!