Avşa Island, also known as Türkeli, is a Turkish island in the southern Sea of ​​Marmara, part of the Marmara District of Balıkesir Province, with an area of ​​20.6 km². The population of about 2,000 increases to 40,000–100,000 visitors in the summer, attracted by the clean beaches, safe waters and Mediterranean climate. The island has a rich history, having been used as a place of exile during the Byzantine period, and is famous for its local wines and olive oil. Visitors can enjoy the beaches of Yiğitler, Altınkum and Çınar Bay, water sports, boat trips, local restaurants and an active nightlife, combining relaxation with adventure and authentic gastronomy.

Avşa Island offers a wide range of experiences for visitors, from relaxing on the beaches of Yiğitler, Altınkum and Çınar Bay, ideal for families and children, to boat trips in the Sea of ​​Marmara and exploring nearby islands such as Marmara and Paşalimanı. Tourists can taste local wines and olive oils, enjoy water sports and beach activities, or relax in the island's cafes and restaurants. For those looking for nightlife, clubs and bars with live music offer shows and a vibrant atmosphere. The island is also suitable for walking and exploring in the villages and paths, to discover its natural beauty and tranquility. Avşa Island combines beach relaxation, adventure and local gastronomy, making it an ideal destination for tourists who want to enjoy the Sea of ​​Marmara without the crowds of larger resorts.

Avşa Island also offers an active nightlife, with clubs such as Tanz, Liatriz and Arena, as well as cafes and bars with live music. Local restaurants serve traditional dishes and local products, including wines and olive oil produced on the island. The island is accessible by ferry or hydrobus from Istanbul, Tekirdağ or Erdek, and transportation within the island can be done by local buses, taxis or on foot, making it easy to explore the beaches, villages and tourist areas.