Marmara Island is a Turkish island in the Sea of Marmara. With an area of it is the largest island in the Sea of Marmara and is the second largest island of Turkey after Gökçeada (older name in Turkish: Imroz; Imvros). It is the center of Marmara district in Balikesir Province. Transportation is possible from Istanbul by ship and ferry, and by motorboat from Tekirdag and Erdek. Famed for their wine and fish, Marmara and Avsa offer wonderful shorelines. Marmara island is full of historical treasures which increase its attractiveness. The town of "Mermer Plaj" / Marble Beach takes its name from the marbles for which the town is famous.