Mersin, located on the southern coast of Turkey, offers a variety of attractions and activities for visitors. Here are the top 10 things to do in Mersin:

1. Explore the Historic Old Town (Atatürk House and Mersin Museum): Visit the Atatürk House, which was the residence of Turkey's founder, Mustafa Kemal Atatürk, during his visits to Mersin. Adjacent to the house is the Mersin Museum, where you can learn about the city's history and archaeology.

2. Visit the Mersin Marina: Enjoy a leisurely stroll along the Mersin Marina, lined with restaurants, cafes, and shops. Take in the beautiful views of the Mediterranean Sea, and perhaps even go on a boat tour to explore the coastline.

3. Explore the Ancient City of Soli-Pompeipolis: Discover the ancient ruins of Soli-Pompeipolis, an archaeological site located near the town of Mezitli. Explore the remains of the ancient city, including the theater, agora, and necropolis.

4. Relax at Cleopatra's Gate and Beach: Cleopatra's Gate is an ancient Roman gate that leads to a beautiful sandy beach. Spend a day relaxing on the beach, swimming in the clear waters, and enjoying the view of the gate.

5. Visit the Tarsus Waterfall: Take a trip to the Tarsus Waterfall, located in the nearby town of Tarsus. This picturesque waterfall is surrounded by lush greenery and offers a tranquil escape from the city.

6. Explore the Caves of Cennet and Cehennem: Visit the Cennet (Heaven) and Cehennem (Hell) Caves, located near the village of Narlıkuyu. Explore the underground chambers with impressive rock formations and learn about the legends and myths associated with these caves.

7. Discover the Ancient City of Anemurium: Visit the ancient city of Anemurium, located near the village of Anamur. Explore the well-preserved ruins, including the theater, baths, and city walls. Enjoy the panoramic views of the Mediterranean Sea from the hilltop.

8. Relax at Kızkalesi Beach: Kızkalesi Beach is a popular spot for sunbathing and swimming. Relax on the sandy beach, take a dip in the sea, and admire the view of Maiden's Castle (Kızkalesi) situated on an islet just off the coast.

9. Go on a Boat Tour to Heaven and Hell (Cennet-Cehennem): Embark on a boat tour to the Cennet-Cehennem (Heaven-Hell) sinkholes, located near the town of Silifke. Marvel at the dramatic geological formations and enjoy the tranquility of the surrounding nature.

10. Enjoy Local Delicacies: Indulge in the local cuisine of Mersin. Don't miss the opportunity to taste the famous tantuni (thinly sliced beef or lamb wrapped in lavash bread), şalgam (fermented turnip juice), and other delicious Turkish dishes.

These top 10 activities in Mersin offer a combination of historical, cultural, and natural attractions, allowing you to immerse yourself in the beauty and heritage of the region.