Five – line relief inscription above narrow entrance of the structure, which entered by old harbor on north – west directions, draws the attention. In first line of the inscription, which Alaeddin I was praised as the sultan of the two lands and seas, heraldry in the middle of two rosettes can be seen. While a space with five windows on left of the entrance was used as a small mosque, right was used as an office by shipyard officers. During the work of conservation – restoration within Maritime and Ship Museum project in space of the small mosque, Zulfikar frescoes, symbolizing the justice of Hz. Ali, was uncovered on two opposing walls.
The structure of shipyard consists of five (5) vaulted division and walls with pointed arch, which separate eyes. Its walls made of ashlars and its arches and vaults from brick, ventilation flaps on vaults of the shipyard provides both entering light inside and going smoke outside. A well is found in third division of land side. The structure was built in different levels to hold less for rock fracture. A depot, which carved into the rock, has light through a hole.
Alanya shipyard is a permanent structure, which is not only a shipbuilding or stopover place in winter but also making repair, vessels and ship equipments and having iron atelier, administrative and depot areas. Permanent structures serve for two purposes. The first is to arrange the construction of big ships during winter and second is to hold unused vessels. Enemy navies or pirates were looking for strategical locations to provide big merchant benefits. Alanya had this situation and shipyard as being a part of a complex with two towers in walls, which ensured an appropriate position to protect from enemy attacks. Kitab-ı Bahriye of Piri Reis was determined that the shipyard was supervised by a Commander of Navy Force in permanent, activities of shipyard continued in period of Karamanoğulları and Alaiye Beyliks after Seljuk and ships were built during Ottoman time.
The shipyard, which shipbuilding and repair continued until years of 1960s, serves as a museum for maritime and ship in present.