Alanya Shipyard is the first shipyard of the Seljuks in the Mediterranean. It was built by the Anatolian Seljuk Sultan Alaeddin Keykubad I in 1228 near the Kızılkule. Alaeddin Keykubad had the Sinop Shipyard built before and acquired 'Sultan of Two Seas' with Alanya Shipyard.
The front of the shipyard is entered from the old port in the northwest direction. It faces the sea at 56.5 meters, and its depth is 44 meters. The structure consists of 5 vaulted chambers, each 7.70 meters wide, the longest 43 meters and the shortest 32 meters long, and pointed arched walls separating the eyes from each other. The shipyard, whose walls are made of cut stone and its arches and vaults are made of brick, is designed to make the most of daylight. There is an inscription of 5 lines embossed at the entrance door, decorated with the coat of arms of Sultan Keykubad and rosettes.
Alanya Shipyard has iron workshops, administrative and warehouse areas where repairs, sailing and ship equipment can be made, and a place for the construction of ships and winter accommodation.
The building, where the construction and repair of boats continued until the 1960s, continues to serve as a museum where the subject of maritime and ships is handled today.
Adjacent to the shipyard is the 19 meters high, two-storey Alanya Armory, which protects the harbor and the shipyard from the southwest. The armory was built in the same year as the shipyard and connected to the wall via a vaulted corridor. It was built in a rectangular plan using cut stones. It is known that in the armory, cannons were poured for warships.
It is possible to reach the Shipyard and Armory, the most important symbols of Alanya Harbor, by swimming from the beach. Especially at night, tour boats stay in front of the dazzling structures due to their special lighting and show this unique beauty to the tourists who come to the city.