A concession contract to build a marina in Ormos Alindon on the East Aegean island of Leros was signed by Tourism Minister Thanassis Theocharopoulos on Thursday.The new marina will be able to accomodate up to 73 yachts. The project is part of the Tourism Ministry's strategy of upgrading of the tourist product, developing sea tourism and modernising infrastructures and will be followed by the development of another marina on the island. The investment is expected to attract investments in the area and improve Greece's competitive standing in the East Mediterranean.